Troubleshoot problems with your Microsoft mouse or keyboard
Keyboard: All-in-One Media Keyboard, Microsoft Designer Compact Keyboard, Microsoft Number Pad, Microsoft Modern Keyboard, Microsoft Bluetooth Keyboard (NEW), Sculpt Mobile Keyboard, Universal Foldable Keyboard, Wedge Mobile Keyboard, Wedge Mobile Keyboard, Universal Mobile Keyboard, Microsoft Wired Ergonomic Keyboard (NEW), Internet Keyboard Pro, Microsoft Arc Keyboard, Natural Ergo Keyboard ...
Microsoft 365 または Office 2021 を PC または Mac にダウンロードしてインストール、または再インストールし ...
インストールの準備. 作業を始める前に、ご利用の PC または Mac がシステム要件を満たしていることを確認します。. プロダクト キーを既に使用している場合は、アプリを再インストールするか、職場または学校でライセンスが割り当てられていることがわかっている場合は、先に進んで ...
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
COUNTIFS function - Microsoft Support
This video is part of a training course called Advanced IF functions.. Syntax. COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments:
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, Excel Web App
Get started with Chat - Microsoft Support
Chat lets you connect with others, stay up to date on projects, and express yourself, whether you're in the office, at home, or on the go with the Microsoft Teams app. In Teams, you'll see three types of chats: One-on-one chats: to connect with people individually.
Applies To: Microsoft Teams
Open and close Outlook Data Files (.pst) - Microsoft Support
Note: Depending on how Outlook is set up, it's likely the folder where the .pst file is stored will open automatically.If it doesn't, browse to the file's location. If you're not sure where your Outlook data file is located, see Locating the Outlook data files.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Manage your subscription - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: Outlook.com
Send, view, and reply to encrypted messages in Outlook for PC
A message that is encrypted by Microsoft 365 Message Encryption is delivered to a recipient’s inbox just like any other email message. If the recipient has Outlook 2016 and a Microsoft 365 email account, they'll see an alert about the item's restricted permissions in the Reading pane.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
How to correct a #VALUE! error - Microsoft Support
Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.
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, Excel Web App
Premium features in Outlook.com for Microsoft 365 subscribers
Advanced email security. As a Microsoft 365 subscriber, you get enhanced security tools that help protect your inbox from phishing and malware.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2013, Outlook.com, Outlook for Android, Outlook for iOS, Outlook for Windows Phone 10, Outlook Mail for Windows 10
View sent email - Microsoft Support
After you send an email message, you might want to find that email and resend it or forward it to someone else. Outlook stores your messages in the Sent Items folder.If you don't see the Sent Items folder, you may need to change your Outlook settings.. You can find your Sent Items folder in your folder list.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013