July 2023 CU for Office Online Server is available for download

The product group released the July 2023 Cumulative Update for Office Online Server.

The KB article for July 2023 CU will be available at the following Location in a couple of hours:

  • KB 5002421 – July 2023 Update for Office Online Server

The download for July 2023 CU is available through the following link:

2 Comments


  1. Hi Stefan,

    I’m hoping you could give me an answer..
    I’m trying to understand the instructions for updating my Office Online Server i.e., installing the CU’s. This is the first time we are updating. We recently installed/ configured OOS for SharePoint 2016. Currently we are at KB5002256 (September 2022).

    I understand I can directly install July 2023 CU on top of my current version of OOS.
    I see many articles have notes like we need to remove Office web app (from OOS farm) and after updates, add back the server with previous settings to farm? Is this really required for monthly updates too? Or can I just install the latest CU with out performing removing and adding back office web apps?

    Reply

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