Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
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 for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 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, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 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, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 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, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
在 PC 或 Mac 上下載並安裝或重新安裝 Microsoft 365 或 Office 2021
準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰、只是重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 章節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Create a 3-D reference to the same cell range on multiple worksheets
Appends arrays vertically and in sequence to return a larger array. Click the tab for the first worksheet that you want to reference. Hold down SHIFT and click the tab for the last worksheet that you want to reference. Select the cell or range of cells that you want to reference. Complete the formula, and then press ENTER.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Pair a Bluetooth device in Windows - Microsoft Support
In Settings: Select Start > Settings > Bluetooth & devices , and then turn on Bluetooth . In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on.
Secure messages by using a digital signature - Microsoft Support
In the message, click Options. In the More Options group, click the dialog box launcher in the lower-right corner. Click Security Settings, and then select the Add digital signature to this message check box. Click OK, and then click Close. If you don't see the Sign Message button, you might not have a digital ID configured to digitally sign ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store. Get the app.
Find the settings/tools/internet options in Microsoft Edge
Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.
Create a form in Word that users can complete or print
In Word, you can create a form that others can fill out and save or print. To do this, you will start with baseline content in a document, potentially via a form template. Then you can add content controls for elements such as check boxes, text boxes, date pickers, and drop-down lists. Optionally, these content controls can be linked to ...
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
Update drivers manually in Windows - Microsoft Support
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 ...
View and delete browser history in Microsoft Edge
Types of info. What will be deleted. Where it's stored. Browsing history. The URLs of sites you've visited, and the dates and times of each visit. On your device (or, if sync is turned on, across your synced devices)