Product activation for Windows – online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.
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)
Turn off Defender antivirus protection in Windows Security
Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings.
Tải xuống và cài đặt hoặc cài đặt lại Microsoft 365 hoặc Office 2021 ...
Bạn đã sẵn sàng cài đặt? Trước khi bạn bắt đầu, hãy đảm bảo PC hoặc máy Mac của bạn đáp ứng các yêu cầu hệ thống.. Nếu bạn đã quy đổi khóa sản phẩm, bạn chỉ cần cài đặt lại các ứng dụng hoặc bạn biết mình đã được gán giấy phép thông qua cơ quan hoặc trường học, bạn có thể bỏ qua và ...
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
Keeping leading zeros and large numbers - Microsoft Support
Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013
問い合わせ先 - Microsoft サポート
Microsoft サポートへのお問い合わせ方法を提供する公式ページです。
Windows 10 Update Assistant - Microsoft Support
This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.
Change notification settings in Windows - Microsoft Support
To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.
How to get support for Outlook.com - Microsoft Support
If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.
Applies To: Outlook.com
Get help with Windows upgrade and installation errors
To upgrade to Windows 11, you need enough space on your hard drive for the installation to take place. To view how much hard drive space is available on your computer, select File Explorer on the taskbar (known as Windows Explorer in Windows 7) or press Windows logo key + E. Then select Computer or This PC and look under Hard Disk Drives or under Devices and drives.