如果你收到有关异常活动的电子邮件，请查看你的 Microsoft 帐户的最近登录活动。 如果你收到有关 Microsoft 帐户上异常活动的电子邮件，或者你担心其他人可能使用了你的帐户，请转到“最近活动”页。你将看到你的 Microsoft 帐户在过去 30 天内的登录时间，以及任何特定于设备或应用的信息。

Aprende a ejecutar Windows Update Solucionador de problemas para resolver errores al descargar o instalar actualizaciones de Windows.

Under Picture Tools, on the Format tab, in the Adjust group, select Compress Pictures.. If you do not see the Picture Tools - Format tab, make sure that you selected a picture. You may have to double-click the picture to select it and open the Format tab.. Also, depending on your screen size, you might only see the icons for the Adjust group. The Compress Pictures button appears without a label.

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 ...

Starting July 14, 2023: Existing Primary and Secondary members will be emailed details describing this change.; Starting July 17, 2023: Primary account holders will no longer be able to add new members to their shared membership.; August 15, 2023: Existing memberships will end and Xbox Game Pass Friends & Family will no longer be available.; Starting August 15, 2023: We’ll be sending Xbox ...

减少嵌入字体的字符集 为了使演示文稿更易于与系统中字体不相同的其他人共享，通常嵌入你使用的字体。 但是，嵌入的字体会增加文件大小。 若要最大程度地减少文件增加，请仅嵌入演示文稿中使用的字符。

If you're having trouble using the Outlook for Android mobile app, Open an in-app Outlook support ticket. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin.

Create a team from scratch: Choose Teams on the left side of the app, then select Create and join teams and channels at the top of your teams list.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Data sources. Your first step in setting up a mail merge is to pick the source of data you'll use for the personalized information. Excel spreadsheets and Outlook contact lists are the most common data sources, but if you don't yet have a data source, you can type it up in Word, as part of the mail merge process.