Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find.

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

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

Defragment your Windows 10 PC. Optimizing your drives can help your PC run smoother and boot up faster.

To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

The transcribe feature converts speech to a text transcript with each speaker individually separated. After your conversation, interview, or meeting, you can revisit parts of the recording by playing back the timestamped audio and edit the transcription to make corrections.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

If you need help with Outlook.com, you can read our self-help content, or get support via email.