Office Version 1808 -

Office version 1808, also known as the September 2018 update, was a significant release for Microsoft Office 365. Here are some key features and updates that were part of this version:

Users still on 1808 often report:

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: Even though the version number stays the same, Microsoft continues to release monthly security and quality builds for it. For instance, recent security updates were released as late as April 2026, though the version number remains "1808" followed by a changing build number (e.g., Build 10417.20117). Key Features Introduced in 1808 office version 1808