If you are using one of the above devices, we recommend switching to the Grammarly Editor or the Grammarly browser extension for your preferred browser.
Note: At this time, Grammarly for Microsoft Office is not fully compatible with Microsoft Surface RT, Microsoft Surface Pro X, and other ARM-based devices. Launch Outlook in safe mode by choosing one of the following options. If none of these steps help, please follow the instructions in this article and submit a support ticket with the troubleshooting request ID so we can investigate this issue more thoroughly. If Outlook stops responding at a screen that says 'Processing,' you can close Outlook, start it in safe mode, then close it and open it normally to fix the problem. If you don’t see the option to install for all users, download and run this file: In the window you see next, check the box next to the option Install for all users and click Next :.
Install Grammarly for all users by following these steps: