Create a drop-down list - Microsoft Support
You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.
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
Ändern oder Zurücksetzen des Kennworts - Microsoft-Support
Erfahren Sie, wie Sie Ihr Windows-Kennwort ändern oder zurücksetzen, wenn Sie es vergessen oder verloren haben.
How to use two-step verification with your Microsoft account
Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Recover lost files on Windows 10 - Microsoft Support
Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.
Outlook for Windows にメール アカウントを追加する - Microsoft サポート
Microsoft 365、POP、IMAP、または Microsoft Exchange ベースのメール アカウントを利用できるように Outlook を設定する方法について説明します。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Microsoft 365 admin, New Outlook for Windows
Filter junk email and spam in Outlook - Microsoft Support
Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.
Applies To:
Office for business, Office 365 Small Business, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Fix network connection issues in Windows - Microsoft Support
If you’re having problems getting connected to a network and can’t get onto the Internet, here are some things you can try in Windows.
Get help with Outlook.com - Microsoft Support
Get help with using mail, calendar, and contacts on Outlook.com.
Applies To:
Outlook.com
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.