Unlike older versions (like Office 2016) which had dedicated installers, Office 2021 bundles proofing tools within . Standard web installers for these packs often fail without a constant connection. The "Best" method to bypass this is using the Office Deployment Tool (ODT) to pre-download the files. 2. Preparation: Get the Right Tools
This image often contains multiple languages and proofing tools by default, allowing for a 100% offline setup from a virtual drive or USB. Microsoft Support Key Deployment Tips Check Bitness office 2021 proofing tools offline installer best
This method allows you to download proofing tools once and install them on multiple machines without an internet connection. Unlike older versions (like Office 2016) which had
. These are small web-installers that fetch the proofing tools, though they are not true "offline" installers like the ODT method. Microsoft Support Unlike Office 2010 or 2016
: Run setup.exe /download configuration.xml in an elevated Command Prompt to pull the files to your local drive .
Unlike Office 2010 or 2016, Microsoft does not provide a simple public "Download Proofing Tools 2021.exe" link. Instead, the best offline installer is generated via the .
Method 1: Office Deployment Tool (Best for Professionals/Multiple PCs)