Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full ...

Note: We have included screenshots of Excel. However, if you want to make the change in Word or PowerPoint, you must follow the same steps. The list of file extensions will be different as per the ...

When you open macro-enabled workbooks, which are Excel files with an XLSM extension, Microsoft Office alerts you with a security warning. Macros can be dangerous and contain malicious code ...