There are several ways to reduce your mailbox size. You can use the Mailbox Cleanup tool to view the size of your mailbox and individual folders. This tool can also help you search for older or very large messages that you might want to delete or move to an Outlook Data File (.pst).

只要其中一个表具有与所有其他表共有的字段，就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿，且旧版本不支持将多个表作为数据源的数据功能，这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表，则该数据功能可在较旧版本的 ...

The Trust Center is where you can find security and privacy settings for Microsoft Office programs. With the consistent appearance of the ribbon in Office programs, steps to find the Trust Center are the same for each program.

如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies. Sensitivity labels are configured by your administrator and because they're published to users rather than locations such as sites and mailboxes, users in the same organization might see different sensitivity labels to apply.

Types of hidden data and personal information. Word documents can contain the following types of hidden data and personal information: Comments, revision marks from tracked changes, versions, and ink annotations If you've collaborated with other people to create your document, your document might contain items such as revision marks from tracked changes, comments, ink annotations, or versions.

Improve your meeting organization and effectiveness with meeting notes in Teams. Add agendas, notes, and tasks that can be viewed and edited by participants directly in Teams, with the option to share and edit them in Office.com. Optimize your meeting experience by editing notes before or after the meeting from your Teams Calendar or web browser.

You can use RTF when you send messages inside an organization that uses Microsoft Exchange, but we recommend that you use the HTML format. In fact, when you send an RTF message to someone outside your organization, Outlook automatically converts it to HTML, so the message keeps its formatting and its attachments.

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Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system