UNIQUE function - Microsoft Support
Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Update to the new Microsoft Edge - Microsoft Support
To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Pin and unpin apps to the Start menu - Microsoft Support
Open the Start menu, then right-click the app you want to pin. Select Pin to Start or Unpin from Start.
Signing in with a passkey - Microsoft Support
Creating a passkey. To create a passkey for your Microsoft account, follow these steps on the device for which you’d like to create a passkey:
Applies To: Microsoft account dashboard
Microsoft 365 Access Runtime をダウンロードしてインストールする - Microsoft サポート
Microsoft 365 Access のデスクトップ バージョンがなく、Access 2010 以降で実行するためにビルドされたアプリケーションを使用する必要がある場合は、Microsoft 365 Access アプリケーションを実行できる Microsoft 365 Access ランタイムをダウンロードします。
Applies To: Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
I can’t start Microsoft Outlook or receive the error “Cannot start ...
We can diagnose and fix several common Outlook issues for you. If our automated tool can't fix your issue, or if you'd like to fix it yourself, see the next section.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
Using product keys with Office - Microsoft Support
Answers to questions on finding, getting, and applying product keys.
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, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Windows でユーザー アカウントを管理する - Microsoft サポート
Windows 10 と Windows 11 でユーザー アカウントを追加する方法について説明します。 アカウントを使用すれば、各ユーザーが個別のファイル、ブラウザーのお気に入り、プライベート デスクトップを持つことができます。
Fix Wi-Fi connection issues in Windows - Microsoft Support
Learn about different things you can try to fix network connection problems in Windows.