Having trouble to use Office 365 with macOS Catalina Version 10.15.7

skutyu wrote:

Hello!

I am having trouble to install office 365 to macOS Catalina Version 10.15.7. It is asking MacOS 11 . I installed old version of office but this time I am having trouble to use my subscribtion of office 365. It is not recognized by Microsoft. Need a help..

https://support.microsoft.com/en-us

I think in your situation using the Online version is your only option.

MS has quit signing older versions.