Workspace App for Mac 20.02 will fail to install on Mac devices with no internet connectivity. 

If Mac device is connected to the internet, it will reach out to the Apple Services  to verify and proceed with the installation.

If still on this specific build, autoupdate will proceed to upgrade to the latest release with no issue. 

Workspace App for Mac 20.02 has been re-released and does not exhibit this issue. Please proceed to download the latest release. 

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Problem Cause

With MacOS 10.15 Catalina onwards, notarizing applications is mandatory.