Windows 10 has been available for six years, with nine updates since then. Windows 10 May 2021 Update includes Windows Hello Multicamera support and Windows Defender Application Guard performance.

You should upgrade to the latest version of Retrospect to ensure full data protection.

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Version Compatibility

Compatibility with Retrospect 18 for Windows

Retrospect 18 for Windows is certified for Windows 10, including the latest update: May 2021 Update.

Compatibility with Retrospect 16, 17 for Windows

Retrospect 16.1, 16.5, 17 for Windows is certified for Windows 10 up to May 2020 Update.

Compatibility with Retrospect 15 for Windows

Windows 10 April 2018 Update, Windows 10 October 2018 Update, and Windows 10 May 2020 Update include an issue with Microsoft OneDrive Files On-Demand that Retrospect 15 does not fully resolve. Details 

Compatibility with Retrospect 12 for Windows

Windows 10 April 2018 Update, Windows 10 October 2018 Update, and Windows 10 May 2020 Update prevent complete backups in Retrospect 12 due to a change in Microsoft OneDrive Files On-Demand. Details 

Compatibility with Retrospect 11 for Windows and Earlier

Windows 10 and subsequent updates have included many feature improvements and under-the-hood changes, including how the system allocates memory to applications. Because of this memory change, previous versions of Retrospect expect a different memory allocation method and can become unstable during backup, restore, duplicate, and grooming operations. Retrospect 12 for Windows fixed this issue.

Compatibility with Retrospect 15.1, 15.5, 15.6, and 16 for Mac

With Retrospect 15.1/15.5/15.6/16 for Mac engine, Retrospect Client 15.1/15.5/15.6/16 for Windows is fully compatible with Windows 10 April 2018 Update, Windows 10 October 2018 Update, and Windows 10 May 2020 Update.

Compatibility with Retrospect 15.0 for Mac and Earlier

With Retrospect 15.0 for Mac engine, Retrospect Client 15.0 for Windows and earlier are not compatible with the Windows 10 April 2018 Update and Windows 10 October 2018 Update.

OS Version Compatibility

Minimum Version Required Latest Version Supported
Windows XP Retrospect Backup 8 for Windows Retrospect Backup 17.5 for Windows
(Client Only)
Windows Vista Retrospect Backup 8 for Windows Retrospect Backup 18.2 for Windows
Windows 7 Retrospect Backup 8 for Windows Retrospect Backup 18.2 for Windows
Windows 8 Retrospect Backup 9.5 for Windows Retrospect Backup 18.2 for Windows
Windows 10 Retrospect Backup 15.6 for Windows Retrospect Backup 18.2 for Windows
Windows 10 May 2021 Update Retrospect Backup 18.0 for Windows Retrospect Backup 18.2 for Windows
Windows 11 Retrospect Backup 18.0 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2003 Retrospect Backup 8 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2008 Retrospect Backup 10 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2012 Retrospect Backup 11 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2016 Retrospect Backup 11.5 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2019 Retrospect Backup 15.6 for Windows Retrospect Backup 18.2 for Windows
Windows Server 2022 Retrospect Backup 18.1 for Windows Retrospect Backup 18.2 for Windows
Windows Server SBS 2003 Retrospect Backup 8.2 for Windows Retrospect Backup 18.2 for Windows
Windows Server SBS 2008 Retrospect Backup 8.2 for Windows Retrospect Backup 18.2 for Windows
Windows Server SBS 2011 Retrospect Backup 8.2 for Windows Retrospect Backup 18.2 for Windows
Windows Server Essentials 2012 Retrospect Backup 8.2 for Windows Retrospect Backup 18.2 for Windows
Windows Server Essentials 2016 Retrospect Backup 11.5 for Windows Retrospect Backup 18.2 for Windows
Windows Server Essentials 2019 Retrospect Backup 15.6 for Windows Retrospect Backup 18.2 for Windows

macOS Big Sur Compatibility Guide 

What's New in Retrospect – Retrospect Backup 18 + Retrospect Virtual 2021 with Ransomware Protection  
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