Make sure to enable the add-in installation for both Microsoft Word and Microsoft Outlook by clicking both checkboxes.Click ' Next' for the installation path.Then click ' Next' to continue the installation. On the following screen check the box to ' Install for all users'.On the 'Getting Started' screen, press and hold the ' Ctrl + Shift' keys simultaneously and then click ' Get Started'.When prompted, click 'Run' to continue the installation. Double-click 'GrammarlyAddInSetup.exe' to launch the installer.Download the latest version of Grammarly for Microsoft Office add-in at - '.If asked whether you would like to keep any of the sign in or user-specific information, tick the option ' remove user settings and login information' to remove it on uninstall.Uninstall any currently installed versions of Grammarly.Please try to open your document again.' indicating that their document could not be detected when trying to use Grammarly in Microsoft Word 2016 or 2019.

Users would receive an error ' No document is open or your document could not be detected.

On Windows 10, starting with the June 2019 build, users reported issues with Grammarly's Microsoft Office integration.

Remove grammarly from outlook