Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.

If you continue to experience issues signing in with your original profile, disable Windows Defender services: Open the Services app by typing services in the search box on the task bar and selecting it from the list of results. Then, find the Windows Defender Advanced Threat Protection and Microsoft Defender Antivirus services, right-click each of them, select Properties , and change Startup ...

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.

需要在表格中或按行查找内容时，请使用 vlookup 函数。 例如，按部件号查找汽车部件的价格，或根据员工 id 查找员工姓名。 借助 xlookup，你可以在一列中查找搜索词，并在同一行的另一列中返回结果，无论返回结果的列在原列的哪一侧。

Create a bibliography using built-in common citation formats like APA, MLA, or Chicago.

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Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.

若要手動安裝藍牙驅動程式： 移至電腦製造商的網站，並下載最新的驅動程式。 然後執行下列其中一項： 如果您下載了可執行檔 (.exe) 檔案，只要按兩下檔案即可執行並安裝驅動程式。

我可以重新分发语言包吗？ 如果你代表政府或政府机关、政府隶属机关或政府扶持的文化或语言委员会或机构，或认可的教育机构，你可以按原样将从 Microsoft 收到的包重新分发给具有有效软件许可的用户。

Note: To let a user enter percentages, for example 20%, select Decimal in the Allow box, select the type of restriction that you want in the Data box, enter the minimum, maximum, or specific value as a decimal, for example .2 , and then display the data validation cell as a percentage by selecting the cell and clicking Percent Style in the Number group on the Home tab.