Meilleur Logiciel de sauvegarde : Avis des utilisateurs de Février 2025

Faits rapides sur Logiciel de sauvegarde

Le contenu ci-dessous est à jour au Juin, 2024

Backup Software Reviews Summary

The 14 Backup software reviews on G2 are generated from qualitative and quantitative feedback from real users to help you compare and research the best software product for your business. Currently there are 879 Backup software products listed on G2. Based on ratings and quantity of reviews, these are the most popular:

BackUp Xplorer (4.8-star rating with 6 reviews)
HYCU (4.7-star rating with 5 reviews)
NovaBACKUP (4.5-star rating with 2 reviews)
Dell APEX Backup Services (4.5-star rating with 1 reviews)

G2 users review Backup software products based on criteria relating to user experience, setup, and support. On a scale of 1-10, users rate the Backup software tools on G2 as follows:

Ease of Use: 8.8/10 average user rating
Ease of Setup: 8.7/10 average user rating
Quality of Support: 8.6/10 average user rating

Along with rating Backup software based on user criteria, G2 reviewers also provide ratings for Backup software features and capabilities. Currently the highest rated features of Backup software reviewed on G2 are:

Integration (100% average rating)
Deployment (99% average rating)
Data Management (97% average rating)
Transformation (96% average rating)
Federation (96% average rating)

Backup software users on G2 also compare the more specific features of these products. Below are the more specific features they find to be the most important when researching the best Backup software tools:

Data Governance (100% average rating)
Scalability (100% average rating)
Data lake Integration (100% average rating)
BI Tool Integration (100% average rating)
AI/ ML Integration (100% average rating)

Backup Software Review Snippets

Below are answers to questions we ask all G2 users about the most popular Backup software tools, apps, and products. These user responses provide more insight into what are some of the most reviewed Backup software products listed on G2.

Questions	Responses
Here is what users liked best about these popular Backup software products.	IDrive Online Backup and Object Storage e2: "I love the cloud based solution. Lots of storage for a fair price." - Antwon L., Senior IT Specialist at Remington Medical Inc., Mid-Market (51-1000 emp.) Read Review NinjaOne (formerly NinjaRMM): "Single pane review of all my clients. The click to connect and the quick remediation has saved us time and money" - Turk B., Corporate Account Manager at CCSI, Small-Business (50 or fewer emp.) Read Review Acronis Cyber Protect Cloud: "Simplicity, easy to use." - Morne F., Enterprise (> 1000 emp.) Read Review
Here is what users disliked about these popular Backup software products.	IDrive Online Backup and Object Storage e2: "Many things 1." - Kenneth G., Creative IT Executive experienced in banking, supply, ISV, military, university. exploit and disaster recovery, cloud, Small-Business (50 or fewer emp.) Read Review Unitrends Backup and Recovery: "Getting Unitrends to respond to an initiated support ticket ridiculously infuriating. Shelf array equipment Unitrends sold doesn't work with Unitrends software." - Michael S., Manager of Client Services at University of Evansville, Mid-Market (51-1000 emp.) Read Review Acronis Cyber Protect (includes all features of Acronis Cyber Backup): "Support is horrible. They are in Mumbai and the techs are all in one room, the background noise is unbearable." - Scott R., Tech at CMIT Solutions, Inc., Mid-Market (51-1000 emp.) Read Review
These are what users recommend to others considering these popular Backup software products.	Acronis Cyber Protect (includes all features of Acronis Cyber Backup): "Acronis is one of the leaders is backup solutions. They also make a product called SnapDeploy that I recommend." - Tom P., Technical Services & Information Security Specialist at Dole Food Company, Enterprise (> 1000 emp.) Read Review Veeam Data Platform: "Be sure to buy the enterprise version." - Mitch K., Windchill Administrator / Configuration Mgr at Washington Metropolitan Area Transit Authority (WMATA), Enterprise (> 1000 emp.) Read Review IDrive Online Backup and Object Storage e2: "get one account and use for all your personal and business computers" - Riva S., Office Manager at Law Offices of Alan J Schwartz, P.C., Small-Business (50 or fewer emp.) Read Review
These are the problems users said the software was solving and how it is benefitting them.	IDrive Online Backup and Object Storage e2: "I’m able to backup shares drive files" - Antwon L., Senior IT Specialist at Remington Medical Inc., Mid-Market (51-1000 emp.) Read Review NinjaOne (formerly NinjaRMM): "Remote maintenance and asset management" - Turk B., Corporate Account Manager at CCSI, Small-Business (50 or fewer emp.) Read Review Acronis Cyber Protect Cloud: "Easy and simply and manage your own backups." - Morne F., Enterprise (> 1000 emp.) Read Review

Reviews by Industry

Backup Software Reviews by Industry

Backup tools, apps, and software are used across a variety of industries. Each industry utilizes different key features of these products, some more than others. The most common industries using Backup software products reviewed here are Information Technology and Services, Computer Software, Computer & Network Security, Financial Services, and Hospital & Health Care.

Industry-Related Backup Software FAQs

Backup Software FAQs for Information Technology and Services Industry Professionals

What are the best Backup software products according to Information Technology and Services industry professionals and based on the overall G2 rating scale?

The Backup software products with the most reviews that Information Technology and Services professionals rate the highest are HYCU (4.7 stars and 5 reviews).

What are the lowest-rated Backup software products according to Information Technology and Services industry professionals and based on the overall G2 rating scale?

The lowest-rated Backup software products for Information Technology and Services folks are Zoolz (1.9 stars), Insync (2 stars), and Ahsay Backup (2.5 stars).

What are the highest-rated Backup software features for companies in the Information Technology and Services industry?

Integration (100% avg. rating)
Deployment (100% avg. rating)
Federation (99% avg. rating)

Which Backup software features do companies in the Information Technology and Services industry rank the lowest?

Platform (92% avg. rating)
Network (92% avg. rating)
Logistics (92% avg. rating)

Are there other more specific Backup software features rated highly by those in the Information Technology and Services industry?

Data Governance is a specific Security feature with an average rating of 100%.
Scalability is a specific Performance feature with an average rating of 100%.
Data lake Integration is a specific Integration feature with an average rating of 100%.

Backup Software Review Snippets from Information Technology and Services Professionals

Of the 2,792 Information Technology and Services users that left a review for Backup software products, this is what some of them had to say about those with the highest G2 score ratings and the most reviews.

What Information Technology and Services Professionals Liked	What Information Technology and Services Professionals Disliked
NinjaOne (formerly NinjaRMM): Easy of use, i like the product is very simple and easy - Joseph A., Founder at Joe Apps Technology Support, Small-Business (50 or fewer emp.) Read Review	Acronis Cyber Protect (includes all features of Acronis Cyber Backup): Support is horrible. They are in Mumbai and the techs are all in one room, the background noise is unbearable. - Scott R., Tech at CMIT Solutions, Inc., Mid-Market (51-1000 emp.) Read Review
Acronis Cyber Protect Cloud: Simplicity, easy to use. - Morne F., Enterprise (> 1000 emp.) Read Review	IDrive Online Backup and Object Storage e2: There's not a native solutionf or linux machines, outside of CLI. - Josh R., Small-Business (50 or fewer emp.) Read Review
Redstor Backup and Archiving: It is very user-friendly and easy to restore data. - Garreth M., IT Support Technician at B-Logic (Pty) Ltd, Mid-Market (51-1000 emp.) Read Review	Barracuda MSP: It chews up way too much time dealing with failed backups. Support has 2 answers, "uninstall/reinstall" and "it must be your hardware, it can't be us". - Alex F., Managing Partner at Delaware Micro-Computer, Small-Business (50 or fewer emp.) Read Review

Backup Software FAQs for Computer Software Industry Professionals

What Backup software products do users from the Computer Software industry like the most?

The Backup software products with the most reviews that Computer Software professionals rate the highest are BackUp Xplorer (4.8 stars and 6 reviews) and NovaBACKUP (4.5 stars and 2 reviews).

What Backup software do users from the Computer Software industry professionals like the least based on the overall G2 rating scale?

The Backup software products Computer Software professionals rate the lowest are Retrospect (3 stars), BackupSheep (3.3 stars), and Tenorshare iPhone Data Recovery for Windows (3.4 stars).

What do Computer Software professionals rate as the best features for Backup software?

Integration (100% avg. rating)
Deployment (99% avg. rating)
Records (94% avg. rating)

What features of Backup software products do people in the Computer Software space rate lowest?

Federation (92% avg. rating)
Data Management (92% avg. rating)
Admin (92% avg. rating)
Response (91% avg. rating)
Platform (91% avg. rating)

What specific Backup software features are rated highly by those in the Computer Software industry?

Data Governance is a specific Security feature rated an average of 100%.
Scalability is a specific Performance feature rated an average of 100%.
Data lake Integration is a specific Integration feature rated an average of 100%.

Backup Software Review Snippets from Computer Software Professionals

Of the 934 Computer Software users that left a review for Backup software products, here's what some of them said about those that are the highest-rated with the most reviews.

What Computer Software Professionals Liked	What Computer Software Professionals Disliked
IDrive Online Backup and Object Storage e2: Low cost, decent functionality. Multiple devices on one account. - Drake C., Product Development Director at Dell, Small-Business (50 or fewer emp.) Read Review	IDrive Online Backup and Object Storage e2: Following purchase, it became apparent that this was not the type os service my daughter required. She was looking for a cloud storage service similar to One Drove, which would allow her to store 5GB of data in a cloud folder to store and retrieve that data quickly and interchangeably. - Steven R., Small-Business (50 or fewer emp.) Read Review
Acronis Cyber Protect Cloud: Copia fuera del ordenador en servidores seguros. - Antonio C., Small-Business (50 or fewer emp.) Read Review	Backupify: Regularly disconnects my users from backup and requires them to reauth even though the passwords were automatically generated. This means unless I'm actively monitoring the last sync date people are silently failing at having their laptop backed up. - Dave L., Director of Product Engineering & IT at Her Campus Media, Small-Business (50 or fewer emp.) Read Review
Acronis Cyber Protect (includes all features of Acronis Cyber Backup): The features that are listed are the best part of the product. - Chris S., CTO, Starre Enterprises, Inc., Small-Business (50 or fewer emp.) Read Review	Acronis Cyber Protect (includes all features of Acronis Cyber Backup): It is very slow, not easy to use and have not tried to restore because it is not simple to do. - Chris S., CTO, Starre Enterprises, Inc., Small-Business (50 or fewer emp.) Read Review

Backup Software FAQs for Computer & Network Security Industry Professionals

What are the best Backup software products according to experts from the Computer & Network Security industry?

The Backup software products with the most reviews that Computer & Network Security professionals rate the highest are HYCU (4.7 stars and 5 reviews).

Which Backup software products do Computer & Network Security industry experts like the least?

The lowest-rated Backup software products for Computer & Network Security folks are RTT Software (2.3 stars), BackupSheep (3.3 stars), and MiniTool ShadowMaker (3.3 stars).

Which Backup software features have Computer & Network Security companies given the highest ratings?

Deployment (98% avg. rating)
Records (94% avg. rating)
Processes (94% avg. rating)

What are the lowest rated features of Backup software features according to employees of Computer & Network Security companies?

Solution Provision (91% avg. rating)
Response (91% avg. rating)
Platform (91% avg. rating)

Which specific Backup software features are rated highest by Computer & Network Security industry professionals?

Remote Access is a specific Platform feature rated an average of 98%.
Cloud to Cloud is a specific Deployment feature rated an average of 98%.
Patch Management is a specific Security feature rated an average of 97%.

Backup Software Review Snippets from Computer & Network Security Professionals

781 Computer & Network Security professionals have provided Backup software product reviews on G2. Find out what some of them had to say about the Backup software tools and apps with the highest G2 score ratings and the most reviews.

What Computer & Network Security Professionals Liked	What Computer & Network Security Professionals Disliked
Acronis Cyber Protect Cloud: Acrònims backup cloud es una solución perfecta para tener un control diario exhaustivo de las copias de nuestros clientes. Facilidad de uso y de implementación, además de una fácil restauración en caso de desastre. - Jordi F., Small-Business (50 or fewer emp.) Read Review	Cove Data Protection: SolarWinds removed the capability to restore exchange which is a major downfall - Jeffrey H., Small-Business (50 or fewer emp.) Read Review
NinjaOne (formerly NinjaRMM): As a small business focused MSP and someone that does his best to watch and test what's out there of RMM tools, NinjaRMM really hit the nail on the head with a great balance of speed, accessibility and features from a high-value RMM. If you're looking for a way to improve your level of service tools, take a look at NinjaRMM and you won't regret it. - Matt J., Owner of MNgeek, CTO of Crane Data Forensics, Small-Business (50 or fewer emp.) Read Review	Comet Backup: They have started to price gouge and have had massive price increases to the point that we are moving on asap - Stuart W., Director, WABSYS Ltd \| Security Specialist \| Microsoft 365 Specialist \| Server Specialist \| Consultant, Small-Business (50 or fewer emp.) Read Review
Cove Data Protection: I like how to interface is installed locally on the server. - Jeffrey H., Small-Business (50 or fewer emp.) Read Review	NinjaOne (formerly NinjaRMM): The truth behind the data was typically unreliable. Things like agents online/offline, pushing Windows Patches - whether they were deployed or not, reboot scripts, etc. This was a major issue. - Damon W., Small-Business (50 or fewer emp.) Read Review

Reviews by Market Segment

Backup Software Reviews by Market Segment

G2 Backup software reviewers come from companies of various sizes. Each business market segment has its own distinct experiences and requirements when it comes to Backup software products. On G2 we break these different market segments into 3 distinct groups:

Small Business Backup Software: < 50 employees
Mid-Market Backup Software: 51–1,000 employees
Enterprise Backup Software: 1,001+ employees

47.6% of Backup tools reviews on G2 are from users working in small businesses, 36.6% of users are from mid-market companies, and 15.7% work at enterprise companies.

Backup Software FAQs by Market Segment

Backup Software FAQs for Enterprise Companies

What are the best Backup software tools and apps for enterprise companies, based on the overall G2 rating scale?

The Backup software products enterprise-level professionals rate the highest are HYCU (4.7 stars and 5 reviews).

What are the least-liked Backup software products for professionals at enterprise companies, based on the overall G2 rating scale?

The lowest rated Backup software products on G2 are Zoolz (1.9 stars), Arcserve Tape Backup (2.5 stars), and Retrospect (3 stars).

What are the highest-rated Backup software tool features according to employees at enterprise-level businesses?

Integration (100% avg. rating)
Deployment (100% avg. rating)
Records (94% avg. rating)

What do enterprise businesses rank the lowest when it comes to Backup software features?

Network (92% avg. rating)
Logistics (92% avg. rating)
Federation (92% avg. rating)

Which specific Backup software features are rated highest by professionals in enterprise companies?

Data Governance is a specific Security feature rated an average of 100%.
Scalability is a specific Performance feature rated an average of 100%.
Data lake Integration is a specific Integration feature rated an average of 100%.

Backup Software Review Snippets from Enterprise Business Professionals

Enterprise business professionals share important information about Backup software usability, features, pricing, and more. Read what these users have to say about the top-rated Backup tools.

What Enterprise Professionals Liked	What Enterprise Professionals Disliked
Druva Data Resiliency Cloud: The ease of use and access from the internet. - Don H., Chief Architect IT. at Lockheed Martin, Enterprise (> 1000 emp.) Read Review	Veeam Data Platform: Free version has limited capabilities. It's you either buy the suite or that is it. - Mike M., Systems Programmer at City Of Los Angeles, Enterprise (> 1000 emp.) Read Review
BluVault: Our organization recognized the requirement for a backup solution as we needed to ensure that our data is secure and we are in alliance with regulatory norms. Along with that, we wanted to utilize our existing OneDrive storage allocations to backup data. - Amrinder S., Enterprise (> 1000 emp.) Read Review	AWS Database Migration Service: Its nt working proparly, data is missing and service is crashing - Oded S., Enterprise (> 1000 emp.) Read Review
CrashPlan: Crashplan's architecture provides true zero knowledge encryption. Gives the best of both words - cloud agility and efficiencies AND complete security for my data. - William (Bill) T., CTO Corporate Identity Servics at IBM CIO, Enterprise (> 1000 emp.) Read Review	CrashPlan: It is pretty expensive for what it is. My company only purchased 25 licenses because of the price and we just ended a year testing phase. - Teresa P., IT Support Analyst, Senior at Mel and Enid Zuckerman College of Public Health, University of Arizona, Enterprise (> 1000 emp.) Read Review

Mid-Market Company Backup Software FAQs

What are the top Backup software products according to professionals at mid-market companies, based on the overall G2 rating scale?

Backup software product users at mid-market companies rate BackUp Xplorer (4.8 stars and 6 reviews), HYCU (4.7 stars and 5 reviews), and NovaBACKUP (4.5 stars and 2 reviews) as the top Backup software tools on the market.

Which Backup software products are not well-rated by reviewers from mid-market companies, based on the overall G2 rating scale?

Zoolz (1.9 stars), Arcserve Tape Backup (2.5 stars), and Gaggle (2.5 stars) are the lowest rated Backup tools according to mid-market company professionals on G2.

What are the highest-rated Backup software tool features according to employees at mid-market companies?

Integration (100% avg. rating)
Deployment (100% avg. rating)
Data Management (99% avg. rating)

Which Backup software features do mid-market company users rate the lowest?

Records (94% avg. rating)
Network (92% avg. rating)
Logistics (92% avg. rating)

What are some more specific Backup software features that people at mid-market companies rate highly?

Data Governance is a specific Security feature with an average 100% rating.
Scalability is a specific Performance feature with an average 100% rating.
Data lake Integration is a specific Integration feature with an average 100% rating.

Backup Software Review Snippets from Mid-Market Company Professionals

Read what Backup software users from mid-market companies have to say about the features, usability, pricing, and more of their top-rated Backup software tools and apps.

What Midsize Business Professionals Liked	What Midsize Business Professionals Disliked
NinjaOne (formerly NinjaRMM): I love that my techs and I can run some troubleshooting tasks without having to access the desktop directly. - Brian W., IT Consultant, Managed Services Provider, Mid-Market (51-1000 emp.) Read Review	Unitrends Backup and Recovery: Getting Unitrends to respond to an initiated support ticket ridiculously infuriating. Shelf array equipment Unitrends sold doesn't work with Unitrends software. - Michael S., Manager of Client Services at University of Evansville, Mid-Market (51-1000 emp.) Read Review
Veeam Data Platform: The best thing of Veeam is that it can manage all Virtual infrastructure specially VMware. - William K. S., Senior IT Infrastructure Specialist, C4 CBP at Centrale Bank van Curaçao en Sint Maarten, Mid-Market (51-1000 emp.) Read Review	Spanning Backup: There are no features I have discovered that I dislike - Shelly K., Mid-Market (51-1000 emp.) Read Review
Druva Data Resiliency Cloud: I have found that Druva Software is not only easy to install but easy to mange. - Jeff K., Technical Project Analyst III at CCMSI, Mid-Market (51-1000 emp.) Read Review	Backup Exec: The interface is clunky and backups constantly fail and have to be monitored - Nick P., IT Manager at Helix Systems, Inc. - A VOITH Company, Mid-Market (51-1000 emp.) Read Review

Backup Software FAQs for Small Businesses

What are the top Backup software products for small businesses?

Users from small businesses rate the following as the best Backup software products: BackUp Xplorer (4.8 stars and 6 reviews), HYCU (4.7 stars and 5 reviews), and NovaBACKUP (4.5 stars and 2 reviews).

What Backup software products for small businesses are rated lowest?

For small business owners and professionals, the lowest rated Backup software products are Zoolz (1.9 stars), Insync (2 stars), and RTT Software (2.3 stars).

What Backup software tool features are rated highest for small businesses?

Integration (100% avg. rating)
Deployment (99% avg. rating)
Data Management (96% avg. rating)

What features do small businesses rank the lowest when it comes to Backup software?

Records (94% avg. rating)
Processes (92% avg. rating)
Platform (92% avg. rating)

Are there any particular Backup software features that small business professionals rate highly?

Data Governance is a specific Security feature with an average 100% rating.
Scalability is a specific Performance feature with an average 100% rating.
Data lake Integration is a specific Integration feature with an average 100% rating.

Backup Software Review Snippets from Small Business Professionals

See what small business owners, employees, and other users have to say about the 879 Backup software products reviewed on G2. Compare reviews and product information to find the best Backup software for your small business.

What Small Business Professionals Liked	What Small Business Professionals Disliked
IDrive Online Backup and Object Storage e2: I like that I can store all of my pictures and all of my computer files in one place. - Laura A., Owner at Adams Cleaning, Small-Business (50 or fewer emp.) Read Review	IDrive Online Backup and Object Storage e2: Many things 1. - Kenneth G., Creative IT Executive experienced in banking, supply, ISV, military, university. exploit and disaster recovery, cloud, Small-Business (50 or fewer emp.) Read Review
Acronis Cyber Protect Cloud: The ease of adding an account / servers / workstations - ray k., Small-Business (50 or fewer emp.) Read Review	Acronis Cyber Protect (includes all features of Acronis Cyber Backup): I don't like how it works, and especially the support. It takes too long to get problems resolved. - Rob R., Information System Analyst at Nasco Healthcare, Small-Business (50 or fewer emp.) Read Review
NinjaOne (formerly NinjaRMM): Single pane review of all my clients. The click to connect and the quick remediation has saved us time and money - Turk B., Corporate Account Manager at CCSI, Small-Business (50 or fewer emp.) Read Review	Disk Drill: When it didn't work for me and I asked for a refund within an hour of purchasing it, they refused the refund. They said I should have been aware it wouldn't work before I purchased it because they warn you to make sure you see the file in the preview pane. - Florence R., Small-Business (50 or fewer emp.) Read Review

Reviews by Features

Backup Software Reviews by Software Features

Backup software products on G2 have nearly 506 types of features, all of which contribute to the performance, usability, and functionality of the software. These software capabilities are rated and submitted in up to 64 feature reviews created by G2 users. These scores and detailed feedback can help you determine if a particular Backup software product has the attributes and functionality best for your business.

There are standard features across all the Backup tools, apps, and software reviewed on G2. Below we’ve listed the highest-rated standard features of Backup software products along with some of the core attributes that help drive the performance of those features:

Integration (100% average rating)
- Data lake Integration (100% average rating)
- BI Tool Integration (100% average rating)
- AI/ ML Integration (100% average rating)
Deployment (99% average rating)
- Cloud (100% average rating)
- On-Premise (99% average rating)
- Cloud to Cloud (98% average rating)
Data Management (97% average rating)
- In-Database Machine Learning (100% average rating)
- Data Quality (100% average rating)
- Data Lake Analytics (100% average rating)
Transformation (96% average rating)
- Application Performance (97% average rating)
- Data Visualization (95% average rating)
- Data Modeling (95% average rating)
Federation (96% average rating)
- Provisioning (97% average rating)
- Architecture (97% average rating)
- Orchestration (96% average rating)

To help you find the Backup tool that meets your business needs, below you will find answers to frequently asked questions about the best Backup software products that have the features mentioned above.

Which Backup products are the highest rated based on Integration features?

Which Backup products are the best rated based on Deployment features?

Which Backup products are the best rated based on Data Management features?

Which Backup products are the best rated based on Transformation features?

Which Backup products are the best rated based on Federation features?

What are the most popular features G2 users focus on when picking Backup software tools?

Data Governance is a Security feature with 64 G2 Reviews
Scalability is a Performance feature with 64 G2 Reviews
Data lake Integration is a Integration feature with 64 G2 Reviews
BI Tool Integration is a Integration feature with 64 G2 Reviews
AI/ ML Integration is a Integration feature with 64 G2 Reviews

Learn more about the product features and capabilities that users and G2 reviewers like best and least for the top-rated Backup software products.

Product	Highest Rated Features	Lowest Rated Features
Alcion Backup for Microsoft 365	Here are the features users love the most about Alcion Backup for Microsoft 365: Security Functionality Management	Here are the features users love the least about Alcion Backup for Microsoft 365: Compatibility Reporting
lyftrondata	Here are the features users love the most about lyftrondata: Transformation Solution Provision Security	Here are the features users love the least about lyftrondata: Generative AI Functionality Management
Pro Backup	Here are the features users love the most about Pro Backup: Security Management Reporting	Here are the features users love the least about Pro Backup: Administration Analysis Cloud Visibility
BluVault	Here are the features users love the most about BluVault: Compatibility Management Security	Here are the features users love the least about BluVault: Reporting Functionality
afi.ai Backup for G Suite and O365	Here are the features users love the most about afi.ai Backup for G Suite and O365: Management Functionality Security	Here are the features users love the least about afi.ai Backup for G Suite and O365: Reporting Compatibility

Meilleurs Logiciel de sauvegarde

Aperçu des meilleurs Logiciel de sauvegarde

Offres G2

Voici comment les offres G2 peuvent vous aider :

Faits rapides sur Logiciel de sauvegarde