Unless otherwise specified, the instructions apply to Windows 10 and Microsoft Word versions 20. In this way, you will gradually eliminate the causes and remedy them.

If you haven’t made any deliberate changes and the problem appears to be unfounded, try performing the following suggested solutions in the given order.

Damaged installations and files: If you’ve newly installed Microsoft 365 and Word won’t open the installation itself is possibly damaged.

Windows updates and upgrades: Have you recently switched up your operating system to Windows 10? Then problems that occurred during the upgrade or update might be the reason for why Word won’t open.

If Word does not launch after you install an add-in, this is most likely the cause.

Word add-ins: Add-ins are extensions and offer practical additional functions for the word processing program.

It is easier to check the most common errors and correct them if necessary. One is automated, meaning that once you open an Office program, it will automatically detect. If Word crashes when saving, this method is always worth trying first, since safe mode allows you to open documents without errors. Word won’t start, but you can’t figure out why? In fact, it can be very difficult to find the cause if the program does not display an error message. Microsoft Office has two safe mode settings that you can use.

Open word 2019 in safe mode