{"id":15871,"date":"2026-02-12T13:46:27","date_gmt":"2026-02-12T12:46:27","guid":{"rendered":"https:\/\/coreit.se\/okategoriserad\/what-is-the-difference-between-retention-and-backup-in-microsoft-365"},"modified":"2026-03-26T07:15:19","modified_gmt":"2026-03-26T06:15:19","slug":"what-is-the-difference-between-retention-and-backup-in-microsoft-365","status":"publish","type":"post","link":"https:\/\/coreit.se\/en\/faq\/what-is-the-difference-between-retention-and-backup-in-microsoft-365","title":{"rendered":"What is the difference between retention and backup in Microsoft 365?"},"content":{"rendered":"\n
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What is the difference between retention and backup in Microsoft 365?<\/h2>\n\n
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Retention and backup in Microsoft 365 have different purposes. Retention is about preserving data for a specific period of time for compliance and legal requirements, while backup is a separate backup that allows full and flexible recovery of data in case of loss, mistakes, or cyberattacks. Retention protects the existence of the information – backup protects the ability to restore it. <\/p>\n <\/div>\n\n

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What is retention?<\/h2>\n

Retention policies in Microsoft 365 (via Microsoft Purview) control how long data is stored and when it can be deleted. The purpose is to meet legal, regulatory and internal requirements. <\/p>\n\n

Focus on compliance<\/h3>\n

Retention ensures that data is not deleted before a certain period of time has passed, even if the user tries to delete it.<\/p>\n\n

Automatic handling<\/h3>\n

Policies can be automatically applied to email, SharePoint, OneDrive and Teams.<\/p>\n\n

Not a full recovery solution<\/h3>\n

Retention is not designed for rapid mass recovery or disaster recovery.<\/p>\n\n

What is backup?<\/h2>\n

Backup is a standalone copy of data that is stored separately from the production environment and can be restored if necessary.<\/p>\n\n

Protection against data loss<\/h3>\n

Backup protects against accidental deletion, ransomware, account deletion and system failure.<\/p>\n\n

Flexible recovery<\/h3>\n

Enables the recovery of individual objects, entire accounts or complete environments.<\/p>\n\n

Storage outside Microsoft 365<\/h3>\n

Backups are often stored in a separate environment for extra security and isolation.<\/p>\n <\/div>\n\n

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Retention vs Backup – comparison<\/h2>\n
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  • Purpose:<\/strong> Retention = compliance, Backup = recovery.<\/li>\n
  • Storage:<\/strong> Retention is stored within Microsoft 365, Backup is stored separately.<\/li>\n
  • Protection against deletion:<\/strong> Retention prevents early deletion, Backup allows recovery after loss.<\/li>\n
  • Ransomware protection:<\/strong> Backup provides extra protection through isolated copy.<\/li>\n
  • Recovery flexibility:<\/strong> Backup provides more extensive recovery options.<\/li>\n <\/ul>\n <\/div>\n\n
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    Related questions<\/h2>\n\n
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    Can retention replace backup?<\/h3>\n

    No, retention is not a complete recovery solution.<\/p>\n <\/div>\n\n

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    Do you need both?<\/h3>\n

    Yes, many organizations use retention for compliance and backup for secure recovery.<\/p>\n <\/div>\n\n

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    Does retention protect against ransomware?<\/h3>\n

    It can preserve data according to policy, but backup provides stronger protection through separate storage.<\/p>\n <\/div>\n\n

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    Where is retention configured?<\/h3>\n

    In Microsoft Purview and in Microsoft 365 Admin Center.<\/p>\n <\/div>\n\n

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    Is backup a legal requirement?<\/h3>\n

    It depends on the industry and regulatory framework, but it is highly recommended for data protection.<\/p>\n <\/div>\n\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n