I forgot the account I use with Microsoft 365 - Microsoft Support
Learn how to retrieve a forgotten username or password for your Office for home or Office for business account.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, OneNote for Mac, SharePoint in Microsoft 365, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Activation, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Project for Office 365
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.
Calculate the difference between two dates - Microsoft Support
How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Connect to a Wi-Fi network in Windows - Microsoft Support
Learn how to connect to a Wi-fi network in Windows and manage your current network connections.
Turn on device encryption - Microsoft Support
Learn how to turn on device encryption, or standard BitLocker encryption in Windows.
Desktop Themes - Microsoft Support
Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.
Windows 版 Outlook でメールアカウント設定を変更、たは更新する
メール アカウントの設定を更新する必要がある場合、または Outlook でメール アカウントを手動で設定する必要がある場合は、次の手順を使用します。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010
在 Microsoft Edge 中打开 Adobe Flash - Microsoft 支持
了解如何在 Microsoft Edge 中启用 Adobe Flash。
Herunterladen und Installieren bzw. erneutes Installieren von Office ...
Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
All about Xbox Game Pass Ultimate | Xbox Support
Get answers to common questions about the Xbox Game Pass Ultimate subscription.