On the Design tab, select Watermark.. In the Insert Watermark dialog, select Text and either type your own watermark text or select one, like DRAFT, from the list. Then, customize the watermark by setting the font, layout, size, colors, and orientation. If you don’t see the watermark, click View > Print Layout.This also shows how the printed watermark will look.

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

重要: 适用于 Office 的应用有一个新名称： Office 加载项。我们当前正在更新我们的产品、文档、示例和其他资源，以反映平台名称从“Office 和 SharePoint 相关应用”更改为“Office 和 SharePoint 加载项”。

Analyze and store large amounts of information, and manage data more efficiently with Access database templates available for download.

Erfahren Sie, wie Sie Windows mithilfe von Tastenkombinationen navigieren. Hier finden Sie eine vollständige Liste der Taskleisten-, Eingabeaufforderungs- und allgemeinen Windows-Tastenkombinationen.

Microsoft Editor uses enhanced proofing tools for Microsoft 365 subscribers. Identify spelling, grammar, and stylistic issues within your documents.

If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password.