A reader is experiencing some quirky behavior from Word.

“I have Word 2017 and a 365 Subscription. I just did updates on the account. I use the “Mailings” option quite often for envelopes. When I put in my “Mail to address” and go to the font, then go to “Return address and go to font and click OK. The system shows me a much larger view before I print and if I do print, it turns the envelope to “Portrait” instead of “Landscape” and Blacks out the “Mail to address” I am making the font on both addresses a “12”. No matter what I do, I can no longer use Word for printing business addresses. Should I uninstall this and reinstall?”

If you’re seeing quirky behavior with any Microsoft Office program, there’s a pretty easy step you can take before attempting a reinstallation.  You can run the repair tool. Here’s how it works in Windows 10.

Type Add or remove program in the search box and click on the result.

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Scroll down in Apps & Features and look for Office 365.

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Click on Office 365 and you’ll get the option to either Uninstall or Modify. Choose Modify.

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You can then choose between a Quick Repair and an Online Repair. An Online Repair takes longer. I’d suggest trying the quick version first and the longer version if that doesn’t help. Click on Repair to start the process. You’ll be notified when the repair is complete. You can’t use any of your Office programs while the repair is being completed.