Office 365 Proofing Tools Offline Installer May 2026

In the modern multilingual workplace, Microsoft Office 365 is the undisputed king of productivity. However, a common frustration for IT administrators and power users alike is language support. You might have the English version of Office installed, but what happens when you need to spell-check a document in French, set the editing language to German, or use the thesaurus in Spanish?

Enter the .

| Feature | Language Accessory Pack | Proofing Tools Only | | :--- | :--- | :--- | | (Menus, dialogs) | ✅ Yes | ❌ No | | Adds spell check & grammar | ✅ Yes | ✅ Yes | | File size | ~200-500 MB | ~50-150 MB | | Use case | Full localization | Multilingual editing | office 365 proofing tools offline installer