Learn how to check what version of Office your using. Find your product name and version number of Office apps.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that …

Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing …

Choose your version of Windows below to turn on automatic updates: Tip: For most versions of Office, you can enable automatic updates or get updates manually within an Office application. …

Learn how to check out a file or document, check it back in or discard the check in, or do an interim check in as you work.

如需詳細資訊，例如位元版本，請選擇 [關於 Excel]。 對話方塊隨即開啟，顯示完整版本號碼和位元版本 （32 位元或 64 位元）。

If you reference a check box cell with a formula, TRUE or FALSE will be passed along to that formula. For example, if you have a check box in cell A1, you can use a formula like =IF (A1, …

Go to File > History. Open the file you want to view. Select File > Version History. Select a version to open it. If you want to restore the previous version you've opened, select Restore.

In the Compare Files dialog box, in the To row, browse to the version you want to compare that earlier version against. Note: You can compare two files with the same name if they're saved …