Open Notepad and paste the following code (example for Spanish):
Change es-es to your desired Language ID (e.g., fr-fr for French, de-de for German). Save this file as proofing.xml in your C:\ODT folder. Step 3: Download the Proofing Tools (Requires Internet) office 365 proofing tools offline installer
You can download smaller, individual language packs from the Microsoft Support page , but these typically require an active internet connection during the installation process to fetch components. Open Notepad and paste the following code (example
Microsoft Support Language Accessory Pack for Microsoft 365 fr-fr for French
Wait for the process to finish. A new Office folder will appear in C:\ODT containing the offline data. Step 4: Install Offline