信息类型. 将删除的内容. 存储的内容. 浏览历史记录. 所访问站点的 url，以及每次访问的日期和时间。 在你的设备上（如果打开了同步，则在所有已同步设备上）

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

Press and hold (or right-click) the file or folder, select (or point to) Send to, and then select Compressed (zipped) folder. A new zipped folder with the same name is created in the same location.

Word marks spelling, grammar, and stylistic issues with an underline. Control-click the word or phrase and choose one of the options. If Word incorrectly underlined a word as misspelled and you want to add that word to your dictionary so that Word will properly recognize it in the future, see Add or edit words in a spell check dictionary. If spelling or grammatical errors aren't underlined ...

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

When you enter some text into a cell such as "2/2", Excel assumes that this is a date and formats it according to the default date setting in Control Panel.Excel might format it as "2-Feb".If you change your date setting in Control Panel, the default date format in Excel will change accordingly.

Import a text file by opening it in Excel. You can open a text file that you created in another program as an Excel workbook by using the Open command. Opening a text file in Excel does not change the format of the file — you can see this in the Excel title bar, where the name of the file retains the text file name extension (for example, .txt or .csv).

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

Dictation lets you use speech-to-text to author content in Microsoft 365 with a microphone and reliable internet connection. It's a quick and easy way to get your thoughts out, create drafts or outlines, and capture notes.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.