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Release Information for Veeam Backup for Microsoft Office 365 5a


Please confirm that you are running one of the following versions of Veeam Backup for Microsoft Office 365 before upgrading to 5a:

  • 3.0 (build

  • 4.0 (build

  • 4a (builds, 

  • 4b (builds,

  • 4c (builds,,

You can check this under Help and Support > About in the Veeam Backup for Microsoft Office 365 console. To upgrade from earlier versions, please contact our Customer Support. After upgrading, your build number will change to

  • Upgrade from the beta version of Veeam Backup for Microsoft Office 365 5.0 is not supported. 

  • To upgrade from Veeam Backup for Microsoft Office 365 builds and, please apply Cumulative Patch KB4078

  • Veeam Backup for Microsoft Office 365 5a (build is NOT applicable to installations on top of:
    • Veeam Backup & Replication 9.5 Update 4, 4a, or 4b
    • Veeam Cloud Connect 9.5 Update 4, 4a, or 4b

If you are using Veeam Backup & Replication or Veeam Cloud Connect 9.5 Update 4, 4a, or 4b, install Veeam Backup for Microsoft Office 365 4a. For more information, see KB3035 and KB3089

What's new

Please refer to the Release Notes document for detailed information about this release. 
Before you apply this update, be sure to review the ‘Upgrading Veeam Backup for Microsoft Office 365’ section of the Release Notes document.

More information

This update has been superseded by Veeam Backup for Microsoft Office 365 5b.
Veeam Backup for Microsoft Office 365 5.0
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