Troubleshoot problems signing in to Windows - Microsoft Support
Learn how to troubleshoot Windows sign in issues, including problems signing in to your Windows device after upgrading.
How to sign in to a Microsoft account - Microsoft Support
Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.
Applies To:
Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Edge, Microsoft Teams, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Open and find items in an Outlook Data File (.pst)
Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
SharePoint video training - Microsoft Support
Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.
Applies To:
SharePoint in Microsoft 365
CONCATENATE function - Microsoft Support
Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.
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
How to redeem gift cards and codes | Xbox Support
Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.
回復ドライブを作成する - Microsoft サポート
回復ドライブを使用して PC にWindows 11を再インストールする必要がある場合は、Windows の回復オプションに関するページを参照してください。 回復ドライブはシステム イメージではないので、Windows PC を頻繁にバックアップすることをお勧めします。 個人用ファイル、設定、プログラムは回復 ...
Save or forget passwords in Microsoft Edge - Microsoft Support
Use Microsoft Edge settings to save user name and password information and save time when signing in to websites.
Use Microsoft Teams on the web - Microsoft Support
The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.
Applies To:
Microsoft Teams
新しい Microsoft アカウントを作成する方法 - Microsoft サポート
新しい Microsoft アカウントを作成して Microsoft サービスを使用する方法について説明します。