Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Contact Skype support - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Windows のサインイン オプションとアカウント保護 - Microsoft サポート
Windows サインイン オプションにアクセスして管理する方法について説明します。 パスワード、Windows Hello、またはセキュリティ キーを使用してデバイスのロックを解除します。
Insert the current date and time in a cell - Microsoft Support
You can insert the current date and time in an Excel cell as static values or as dynamic values. A static value is one that doesn’t change when the worksheet is recalculated or opened. A dynamic value is one that is updated each time formulas are recalculated.
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
Troubleshoot problems with your Microsoft mouse or keyboard
Check the placement of the wireless USB dongle. The wireless USB dongle should be plugged into a USB port that allows for the best reception and minimizes the distance between the wireless USB dongle and the keyboard or mouse.
Holen Sie sich das neueste Windows-Update - Microsoft-Support
Windows-Geräte erhalten möglicherweise zu unterschiedlichen Zeiten neue Funktionen, da Microsoft nicht sicherheitsrelevante Updates, Fehlerbehebungen, Verbesserungen und Verbesserungen über verschiedene Wartungstechnologien bereitstellt – einschließlich des kontrollierten Featurerollouts (Controlled Feature Rollout, CFR). Windows informiert Sie darüber, ob Sie Ihr Gerät neu starten ...
XLOOKUP function - Microsoft Support
Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.
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 2016, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Outlook help & learning
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content
Unlink and re-link OneDrive - Microsoft Support
Unlinking and re-linking your computer to OneDrive can help solve some sync problems. You can also use these same steps to move your OneDrive to a new location, such as an external disk drive.
Applies To: OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
LOOKUP function - Microsoft Support
Vector form. The vector form of LOOKUP looks in a one-row or one-column range (known as a vector) for a value and returns a value from the same position in a second one-row or one-column range.. Syntax. LOOKUP(lookup_value, lookup_vector, [result_vector]) The LOOKUP function vector form syntax has the following arguments:. lookup_value Required.A value that LOOKUP searches for in the first vector.
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
Comment se connecter à Outlook sur le web - Support Microsoft
Remarque : Si vous vous êtes connecté avec un compte Microsoft tel qu’un compte de messagerie Outlook.com, Hotmail, Live ou MSN au lieu de votre compte professionnel ou scolaire, déconnectez-vous, puis reconnectez-vous à l’aide du compte approprié. Vous ne savez pas avec quel compte vous êtes connecté ? Sélectionnez Gestionnaire de compte dans l’en-tête de navigation Outlook.
Applies To: Office for business, Office 365 Small Business, Outlook on the web, Outlook on the web for Exchange Server 2016