For the average user wanting an offline installer, the only reliable method is creating your own using the . This is Microsoft’s official way to handle offline installations.
Accept the license terms and select a local directory (e.g., C:\Office2021Offline ) to extract the contents. After extraction, the target directory will contain: setup.exe (The primary Click-to-Run deployment engine). Several sample configuration .xml files. Step 2: Create the Offline Configuration XML File
: Proofing tools are often listed as separate entries in "Apps & Features" (e.g., Microsoft Office Professional Plus 2021 - en-us.proof office 2021 proofing tools offline installer
Unlike the standard Click-to-Run installation that pulls files from the cloud, the offline installer allows you to deploy proofing tools (dictionaries, hyphenation patterns, grammar rules) to multiple machines without an internet connection. This guide covers everything you need to know: what it is, why you need it, how to download the legitimate offline installer, step-by-step installation, and advanced deployment via command line.
: The Channel attribute in your XML does not match the channel of your installed Office 2021 suite. For the average user wanting an offline installer,
This is the standard way to create an offline package that includes proofing tools for specific languages. Use the Office offline installer - Microsoft Support
Note: As of 2025, Microsoft has moved most proofing tools to the Click-to-Run model. For guaranteed offline MSI, use VLSC or Microsoft Update Catalog. After extraction, the target directory will contain: setup
Navigate to the official Microsoft Download Center on an internet-connected computer. Search for and download the .
If you need help building your configuration file, let me know: