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Add or remove items from a drop-down list - Microsoft Support
If you set up your list source as an Excel table, then all you need to do is add or remove items from the list, and Excel will automatically update any associated drop-downs for you. To add an item, go to the end of the list and type the new item. To remove an item, press Delete.
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
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Excel is blocking untrusted XLL add-ins by default
Excel is blocking untrusted XLL add-ins by default. Add-ins can add a lot of functionality to Microsoft 365, but they are often used by people with bad intentions to distribute malware to unsuspecting victims. Add-ins aren't required for everyday use like reading or editing Excel workbooks.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Use add-ins in Outlook - Microsoft Support
Use an add-in while composing a message. Create a new message or reply to an existing one. From the ribbon, select the Message tab, then choose the add-in you want to use. If the add-in doesn’t appear in the ribbon, select Apps to view your installed add-ins.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook Web App
View and manage your subscriptions on Xbox | Xbox Support
To see your subscription history and manage an existing subscription on console: Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions. Select the subscription that you want to manage.
Import photos and videos from an iPhone to PC - Microsoft Support
Import photos and videos from an iPhone to PC. Windows 10. Transfer photos from an iPhone to your PC. First, connect your iPhone to a PC with a USB cable that can transfer files. Turn your phone on and unlock it. Your PC can’t find the device if the device is locked.
Insert Office Add-ins into Excel for the web - Microsoft Support
You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins box, click Store tab. Browse for the add-in you want. You can browse the whole store by selecting All or by a specific category such as Productivity.
Applies To: Excel for the web
Reduce the file size of your PowerPoint presentations
To minimize the file increase, embed only those characters used in the presentation. Go to File > Options > Save. Under Preserve fidelity when sharing this presentation, select Embed fonts in the file, and then select Embed only the characters used in the presentation.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Configure content restrictions for cloud gaming | Xbox Support
Learn about content restrictions, screen time limits, and privacy settings so that members in your Xbox family group can use cloud gaming.