Go to 'File' > 'Options' > 'Add-ins' > 'Go'. Type Outlook.exe /safe and hit Enter to access the safe mode. Step 1. Press Windows + R keys to active Run dialog. When Microsoft Outlook suddenly becomes gray and says 'Not Responding' or 'Microsoft Outlook has stopped working' error, you can use the following workarounds to fix the problem. How to Solve 'Microsoft Outlook has stopped working' Error Whatever the cause is, as soon as you come across Outlook not responding error, you can try the methods demonstrated below. Outlook stopped working may occur due to several reasons, like incompatible add-ins, DLL files problem, lost or corrupted PST file, and more. Like other Office software, you are very likely to meet 'Microsoft Outlook has stopped working' error while opening or sending an email with Outlook 2007, 2010, 2013, or 2016. Full stepsĬhoose the drive X: where your lost email files were saved, and click 'Scan'. Open 'Control Panel', there, choose 'Programs and Features'. Press Windows + R keys to active Run dialog.
