Learn about the circular reference warning message. The first time Excel finds a circular reference, it displays a warning message. Select OK or close the message window. When you close the message, Excel displays either a zero or the last calculated value in the cell.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

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You can mark a document as read-only and still allow changes to selected parts. You can make these unrestricted parts available for anyone who opens the document, or you can grant permission to specific individuals so that only they can change the unrestricted parts of the document.

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

Note: When you use File > Print to display the Print view, which contains both printer settings and print preview, the current window may shift to the background behind the main Outlook window. You can minimize the main Outlook window to bring the Print view back to the foreground. For more information on this problem, see Print preview problems in Outlook.

In the Settings tab, expand Team details and select Change picture under the existing team picture.

Important: you should limit the number of administrators on your Windows device because administrators have complete control over the system.Administrators can change settings, install software, and access all files. If too many people have this level of access, it could lead to security risks like malware installation or unwanted changes to your system.

On the Home tab, in the Number group, click the arrow next to the General box, and then click More Number Formats.

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker: