Переустановите Microsoft 365 Если Microsoft 365 уже был изначально установлен и вам необходимо переустановить его на том же или новом устройстве, у вас уже должна быть учетная запись Майкрософт, связанная с вашей копией Microsoft 365.

若要在 Outlook.com 中获取支持，请单击 此处 或选择菜单栏上的 帮助 ，然后输入查询。. 如果自助服务无法解决问题，请向下滚动到“ 仍需要帮助？. ”，然后选择“ 是 ”。. 若要在 Outlook.com 中联系我们，需要登录。. 如果无法登录，请单击 此处 。. 若要获取 ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.

Go to Home > Format, and then choose Format Cells. In the Format Cells box, choose Custom in the Category list. In the Type box, at the top of the list of formats, type [h]:mm;@ and then select OK. The result is 28 hours and 15 minutes. The format will be in the Type list the next time you need it.

登录到 Microsoft 365 管理中心，然后选择“ Office 软件 ”。. 在“ 语言 ”下，选择想要使用的语言，然后选择“ 安装 ”。. 在出现提示时，选择“ 运行 ”。. 当系统询问“ 是否允许此应用对你的设备进行更改? ”时，选择“ 是 ”。. 安装完成后，可以根据需要 ...

Make sure the system is managing the page file size. Check for low disk space and free up space. Adjust the appearance and performance of Windows. Pause OneDrive syncing. Disable unnecessary startup programs. Check for and remove viruses and malware. Restore your PC from a system restore point. Tips to improve performance in Windows. If your ...

Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

Die WENN-Funktion ermöglicht einen logischen Vergleich zwischen einem aktuellen Wert und einem erwarteten Wert. Dazu wird auf eine Bedingung geprüft und ein Ergebnis zurückgegeben, wenn der Wert wahr oder falsch ist. WENN (ein Wert wahr ist, tue dieses, andernfalls tue etwas anderes) Daher kann eine WENN-Anweisung zwei Ergebnisse haben.

Windows 10 Windows 11 Microsoft Edge. Cookie 是您所造訪網站儲存在您裝置上的一小部分數據。. 這些服務有多種用途，例如記住登入認證、網站喜好設定，以及追蹤用戶行為。. 不過，基於隱私權考慮或解決瀏覽問題，您可能會想要刪除 Cookie。. 本文提供如何執行下列操作 ...