Using the Windows Activation troubleshooter - Microsoft Support
To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.
Create, edit, and manage connections to external data
Note The Queries & Connections pane is available in Microsoft Office 365 for Excel and Excel stand-alone version 2019 or later. It replaced the Workbook Connections dialog box which is available in desktop versions of Excel.. The Queries & Connections pane (Select Data > Queries & Connections) In one location, you can get to all the information and commands you need to work with your external ...
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
About Microsoft Authenticator - Microsoft Support
Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.
Applies To:
Microsoft account dashboard
Change TCP/IP settings - Microsoft Support
TCP/IP defines how your PC communicates with other PCs. To make it easier to manage TCP/IP settings, we recommend using automated Dynamic Host Configuration Protocol (DHCP).
Video: What is OneDrive? (personal) - Microsoft Support
Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.
Applies To:
OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Use Microsoft Authenticator with Microsoft 365
Choose the mobile app. Open a browser on your computer and go to portal.office.com.Sign in to your Office 365 for business account.
Applies To:
Office for business, Microsoft 365 admin
Attach files in Outlook - Microsoft Support
Caution: Don't open an attachment sent in an email message unless you trust the content and the person who sent it to you.Attachments are a common method for spreading computer viruses. In the email message, select Preview from the drop-down menu next to the attachment to view the contents of the attachment without opening it.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016
How to recover a hacked or compromised Microsoft account
If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.
Manage Microsoft 365 payment information and billing for your business
On the Invoices tab, choose the invoice that you want to view.If you don't see an invoice, use the date filter and select Past 3 months, Past 6 months, or Specify date range.
Windows でカメラが動作しない - Microsoft サポート
Windows 11 でカメラが動作しない場合は、最近の更新後にドライバーがなくなっている可能性があります。 また、ウイルス対策プログラムによってカメラがブロックされている、一部のアプリでカメラへのアクセスが許可されていない、使用するアプリに問題があるなどの可能性もあります。