Recover an earlier version of an Office file - Microsoft Support
Open the file you were working on. Go to File > Info. Under Manage Workbook or Manage Presentation, select the file labeled (when I closed without saving). In the bar at the top of the file, select Restore to overwrite any previously saved versions. Tip: In Word, you can also compare versions by clicking Compare instead of Restore.
Undo, redo, or repeat an action - Microsoft Support
Redo an action. To redo something you've undone, press Ctrl+Y or F4. (If F4 doesn't seem to work, you may need to press the F-Lock key or Fn Key, then F4) on your keyboard, or select Redo on the Quick Access toolbar. (The Redo button only …
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
Select File > Get Add-ins. Alternatively, you can also view your add-ins directly from the Home tab by selecting Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab.
Remove or allow a circular reference in Excel - Microsoft Support
Review the formula in the cell. If you can't determine whether the cell is the cause of the circular reference, select the next cell in the Circular References submenu.
Add a pie chart - Microsoft Support
Click Insert > Chart. Note: If your screen size is reduced, the Chart button may appear smaller: Click Pie and then double-click the pie chart you want.
Print a worksheet or workbook - Microsoft Support
For more information, see Printing in Excel. Important: Some formatting, such as colored text or cell shading, may look good on the screen but not look how you expect when it prints on a black-and-white printer. You may also want to print a worksheet with gridlines displayed so that the data, rows, and columns stand out better.
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