Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Note: Calculated fields can only operate on their own row, so you can't reference a value in another row, or columns contained in another list or library.Lookup fields are not supported in a formula, and the ID of newly inserted row can't be used as the ID doesn't exist when the formula is processed.

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SOLUTION: To remove unexpected characters or hidden spaces, use the CLEAN or TRIM function, respectively. Also, verify if the cells are formatted as correct data types. You have used an array formula without pressing Ctrl+Shift+Enter. When you use an array in INDEX, MATCH, or a combination of those two functions, it is necessary to press Ctrl+Shift+Enter on the keyboard.

Select Quick Repair > Repair.If this does not work, retry the steps, but choose Online Repair instead. If you are still unable to open any apps, uninstall and reinstall Office.

Add Members to Group to add members to the Microsoft 365 group associated with your site (preferred method). After making this selection, the Group membership for the site will display. Select Add members, enter a name or email address, and select Save. Members added to the Microsoft 365 group are added to the SharePoint Site members permission group by default and can edit the site.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

Use Word to create and print a booklet, brochure, or book from your document. Learn the adjustments and layout settings for booklet printing in Word.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Differences are highlighted with a cell fill color or text font color, depending on the type of difference. For example, cells with "entered values" (non-formula cells) are formatted with a green fill color in the side-by-side grid, and with a green font in the pane results list.