Outlook email profiles are stored in the Windows registry. When Outlook starts, it retrieves the profile information from the registry. When you run Outlook for the first time, a startup wizard guides you through the process of creating a new profile.

For Windows 10. In the search box on the taskbar, type control panel, and then select Control Panel.. For Windows 8.1 / Windows RT 8.1. Swipe in from the right edge of the screen, tap Search (or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search), enter Control Panel in the search box, and then tap or click Control Panel.

Learn about the differences between a Microsoft 365 subscription, Office 2016, and the free Office Online apps.

Recover saved and unsaved documents. If the AutoRecover option is turned on, you can automatically save versions of your file while you’re working on it. How you recover something depends on when you saved it. If you’ve saved the file

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.

在 Web 浏览器下，选择当前列出的浏览器，然后选择 Microsoft Edge 或其他浏览器。

在同一行或列中合并两个或多个单元格，或者拆分表中的单元格。

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Microsoft Teams includes the Outlook add-in, which lets you create new Teams meetings directly from Outlook. You can also view, accept, or join meetings in either app.