Delete a security key from your security info. If you lose or no longer want to use a security key, you can delete the key from your security info.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts.

Learn how to update Microsoft Office through Windows Update if you're experiencing difficulties with the Office Updater.

Answers to questions on finding, getting, and applying product keys.

If Scroll Lock is on, your cursor moves between columns and rows, not cells. Here's how to turn off Scroll Lock.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Microsoft Basic Display Adapter on Windows 10. The Microsoft Basic Display Adapter is software that's built into Windows that provides display and graphics capabilities when software from your hardware manufacturer isn't installed.

Turn on the ruler. If you don't see the ruler at the top of your document, go to View > Ruler to display it.. Set a tab stop using the ruler. Select Left Tab at the left end of the horizontal ruler to change it to the type of tab you want.

Sign in to account.microsoft.com, then select Order History on your Rewards page.