Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

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可以将喜欢的幻灯片母版（及所有关联布局）从一个演示文稿复制到另一个中。 从第一个演示文稿复制幻灯片母版 同时打开两个演示文稿：从其中一个复制幻灯片母版，将幻灯片母版粘贴到另一个中。

Learn how to view all of your installed apps and customize the Start menu or taskbar in Windows.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

在 PowerPoint 中，可以添加或删除自动幻灯片编号、隐藏标题幻灯片上的编号，还可移动幻灯片编号。 此外，还可在幻灯片上添加日期和时间。

Learn how to open a shared mailbox in the Outlook Web App. Shared mailboxes let a group of users view and send email, and share a calendar, from a common mailbox.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Portable Document Format (PDF) is a common format for sharing final versions of files. To add or edit text in a PDF that was made in an Office program like Excel or Publisher, start with the original Office file.