How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

Learn how to calibrate your HDR display by using the Windows HDR Calibration app that you can download from the Microsoft Store.

Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

When you move or copy cells, rows, and columns, Excel moves or copies all data that they contain, including formulas and their resulting values, comments, cell formats, and hidden cells.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

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Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

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Learn more about how to find all your apps and programs in the all new Windows Start menu.