Create, edit and share documents with Microsoft Word online. Learn how to use Word for the web to create, open, and rename documents with ease.

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.

Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.

Learn how to remove passwords from your Microsoft account to increase security.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

Learn how to change the settings of the mouse buttons, mouse wheel, and pointer.

本頁可協助您使用 Microsoft 繁體中文輸入法，包括輸入法功能和鍵盤快速鍵。 IME 支援稱為 IME 工具列的 UI，提供快速調用特定 IME 函數的替代方法。 IME 工具列是語言欄續約的 UI。

为字词及其之间的空格添加下划线 为文本添加下划线的最快方法是按 Ctrl+，然后开始键入。 如果想要停止下划线，请再次按 Ctrl+U。 还可以通过其他几种方式为文本和空格添加下划线。

Learn how to fix common OneDrive personal or OneDrive for Business sync problems.