Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Change your Office product key - Microsoft Support
To fix this, you can change the product key for the other PCs where you installed Office. Note: After you change your product key, we recommend that you create a list to manage the product keys that you've installed. To learn how, see Manage multiple one-time-purchase Office installs that use the same Microsoft account. Newer versions Office ...
Applies To: OneNote for Microsoft 365, Visio Plan 2, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016
配置 Windows Hello - Microsoft 支持
可以使用“设置”应用配置和管理 Windows Hello。. 在 Windows 设备上的“设置”应用中 ,选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式:. 登录选项. 在 “登录方式” 下,有三种使用 Windows Hello 登录的选项:. 选择“人脸识别 (Windows Hello) ”,使用电脑的红外 ...
Erste Schritte mit dem neuen Outlook für Windows - Microsoft-Support
Wenn Outlook Sie nicht automatisch anmelden kann, geben Sie das Konto manuell ein und melden Sie sich an. Wenn Sie zum ersten Mal zum neuen Outlook wechseln, werden Sie aufgefordert, Ihre Einstellungen aus dem klassischen Outlook für Windows zu übernehmen. Wählen Sie Einstellungen importieren aus, wenn Sie sie übernehmen möchten, oder ...
Applies To: New Outlook for Windows
Share files in Microsoft Teams - Microsoft Support
To share a file in a chat message: Go to Teams and select Chat . Open the chat conversation you want to share a file in. Select Attach file beneath the compose box. Select OneDrive or Upload from my computer, depending on where the file is located. Select the file and then select Share or Open. This will upload a copy of your original file.
Applies To: Microsoft Teams
Manage your subscription - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: Outlook.com
Activation d’Office - Support Microsoft
Activer Microsoft 365 ou une version sans abonnement d’Office. Activer Office qui est pré-installé sur un nouvel appareil Windows. Activer un achat Office ou une offre qui se trouve sur un nouvel appareil Windows. Activer Office à partir du programme de remises Microsoft Workplace. Activer une nouvelle clé de produit Office.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Reduce the file size of your PowerPoint presentations
Discarding it means that you can't restore the changes you make, but it will reduce your file size. Lowering the default resolution for images also reduces your overall file size. Go to File > Options > Advanced. Under Image Size and Quality, do the following: Select Discard editing data . This option removes stored data that's used to restore ...
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Download and install or reinstall Office 2019, Office 2016, or Office ...
From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Your CD or DVD drive is not recognized by Windows or other programs
Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19)
Multiply and divide numbers in Excel - Microsoft Support
Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...
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