First I need to say, Office updates are cumulative, generally, you can download the latest updates to install.
For MSI versions of Office, to find the updates history, please go to
Control Panel > Programs and Features > View installed updates. The following imge shows the KB5002160 I installed today.
Besides, you can also click on each KB number, such as "Non-security KB article" 5002160, then you will find the File information as following image. It will display the name of the updated files and their version numbers.
Then you can locate to these files, check their properties, and check the version numbers. Then you can judge which updates is installed and whether the installation is completed.
For example, the file Acedao.dll, the version number is 16.0.5287.1000, then it means the KB5002160 is installed.
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