July 2020 CU for Office Online Server is available for download

The product group released the July 2020 Cumulative Update for Office Online Server.

The KB article for July 2020 CU will be available at the following Location in a couple of hours:

  • KB 4484451 – July 2020 Update for Office Online Server

The download for July 2020 CU is available through the following link:

Related Links:


  1. hello Stefan,
    the documentation which reveals the windows system compatible with Office Online server was written in 2017 and at the moment we did not have Windows server 2019 yet so it is normal that the 2 are not compatible. so what about today knowing that Windows 2019 has been around since October 2018?


    1. Hi Marie,
      I would recommend to open a support case for this to get an official statement from the product group on this.


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