Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

After you have created a table of contents in Word, you can customize the way it appears. Customizing your table of contents applies your preferences to your existing table. If you like what you see, select OK.If you're not happy with the look, just select Cancel and all the changes will be forgotten. Your table of contents will still be there.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

Capture screen shots to use in your documents. For more details and instructions, see Use Snipping Tool to capture screenshots.. Use the PRINT SCREEN key. Pressing PRINT SCREEN captures an image of your entire screen and copies it to the Clipboard in your computer's memory.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

Try it! If you're using the Microsoft Outlook app or Outlook.com, and if you and your recipients are all on Microsoft Exchange or Microsoft 365 and in the same organization, you can recall or replace an email message that you sent.