在“设备”设置中，选择“通过蓝牙发送或接收文件”。

Missed activity emails. In the Missed activity emails section, you’re able to set the frequency of summary emails detailing your missed activity, or turn this feature off.. Chats and channels notifications. Notifications for chats and channels can be managed at a granular level, allowing you to customize your notifications to your personal work style.

Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.

Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.

Default Office theme colors. The color palette of the Office theme prioritizes the creation of modern and accessible content. The previous Office theme has been renamed Office Theme 2013–2022 and can still be accessed in the theme galleries of each Office application.. Change a theme and make it the default in Word or Excel

注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

After you export your contacts, use Excel to open the CSV file and check that there's data. When you close the file, Excel will prompt you a few times with "are you sure you want to save it in CSV format?"

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox.