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SUMIF function - Microsoft Support
sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Insert or add tab stops - Microsoft Support
Add or set tab stops with customized alignment and dot or line leaders. Remove or clear one or more tab stops you don't need.
Applies To: Word for Microsoft 365, Outlook for Microsoft 365, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, Word for the web, Word 2021, Outlook 2021, Word 2021 for Mac, Word 2019, Outlook 2019, Word 2019 for Mac, Word 2016, Outlook 2016, Word 2013, Outlook 2013
为什么文件以只读方式打开? - Microsoft 支持
你可能会发现打开文件时,文件以只读方式打开。 只读表示只能查看或打印。 在某些情况下,这是为了增加安全性,例如打开来自 Internet 的文件时;其他时候可能是由于某项设置,但可以更改该项设置。
Applies To: Office 2021, Office 2019, Office 2016
Mail merge using an Excel spreadsheet - Microsoft Support
Here are some tips to prepare your Excel spreadsheet for a mail merge. Make sure: Column names in your spreadsheet match the field names you want to insert in your mail merge.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Solucionar problemas de sonido o audio en Windows
Si tienes problemas de sonido o audio, las siguientes sugerencias pueden ayudarte. Las sugerencias se enumeran en orden, por lo que debes empezar por la primera; comprobar si se soluciona el problema y, de no ser así, continuar por la siguiente.
Auto color management in Windows 11 - Microsoft Support
Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.
アプリやフォルダーをデスクトップまたはタスク バーにピン留めする
注: デスクトップからショートカットを削除するには、ショートカットを長押し (または右クリック) し、[その他のオプションを表示] を選択し、[削除] を選択します。ショートカットだけが削除され、元のアイテムは削除されません。
如何登入或登出 Outlook.com - Microsoft 支援服務
若要在 Outlook.com 中取得支援,請按一下這裡或選取功能表列上的 [說明],然後輸入您的查詢。 如果自助無法解決問題,請向下捲動至 [仍然需要協助嗎?] 然後選取 [是]。 若要在 Outlook.com 中與我們連絡,您必須登入。
Applies To: Outlook.com
硬件保修、服务和维修
查看保修条款,检查维修状态并了解微软设备或配件的保护计划。
Share things with nearby devices in Windows - Microsoft Support
Notes: If the PC you're sharing from is running the latest version of Windows 11, you can share over Wi-Fi if the Windows 10/11 PC you’re sharing to is connected to the same private Wi-Fi network. Otherwise, you can share over Bluetooth.