If you are running the or Volume Licensed (VL) version of Office 2021
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
The ODT is the official method for creating a customized offline installer that includes multiple language packs and proofing tools . This is essential for . Process : office 2021 proofing tools offline installer best
Locate your newly installed language and verify that it says .
Ensure your and tags utilize the correct channel attribute ( Channel="PerpetualVL2021" for volume licenses or Channel="Current" for retail editions). Mixing channels causes the setup tool to abort. If you are running the or Volume Licensed
Method 1: Office Deployment Tool (Best for Professionals/Multiple PCs)
Not all offline installers are created equal. When searching for the best one, you must evaluate four criteria: Process : Locate your newly installed language and
A progress window will appear and then disappear when finished. This may take several minutes depending on your internet speed. Once done, check C:\ODT\Proofing ; it should now contain a folder named Office with data inside.