Open a Command Prompt as administrator and run the following command to download the files to your specified SourcePath setup.exe /download configuration.xml 4. The Offline Installation
Proofing Tools for Office 365 - Device and Productivity Software office 2021 proofing tools offline installer
Download the from Microsoft (requires internet once to fetch the tool). Open a Command Prompt as administrator and run
The online method often requires signing into a Microsoft account or verifying a license. The offline MSI-based installer works purely on volume licensing or standalone perpetual licenses. office 2021 proofing tools offline installer