Device protection in Windows Security - Microsoft Support
Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.
I forgot the account I use with Microsoft 365 - Microsoft Support
Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.
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
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Download files from the web - Microsoft Support
Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.
Protect your OneDrive files in Personal Vault - Microsoft Support
Personal Vault is a protected area in OneDrive where you can store your most important or sensitive files and photos without sacrificing the convenience of anywhere access.. We guide you through setting up your Personal Vault with a strong authentication method or a second step of identity verification, such as your fingerprint, face, PIN, or a code sent to you via email or SMS.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Outlook on the web にサインインする方法 - Microsoft サポート
注: 職場または学校アカウントではなく、 Outlook.com、Hotmail、Live、MSN のメール アカウントなどの Microsoft アカウントでサインインした場合は、サインアウトしてから、正しいアカウントを使用してもう一度サインインします。 サインインしているアカウントがわからない場合 Outlook ...
Applies To:
Office for business, Office 365 Small Business, Outlook on the web, Outlook on the web for Exchange Server 2016
Getting started with Microsoft Defender - Microsoft Support
Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows, Microsoft Defender Online
Common problems with two-step verification for a work or school account ...
This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).
Désinstaller ou supprimer des applications et des programmes dans ...
Désinstaller à partir du menu Démarrer. Sélectionnez Démarrer > Toutes les applications et recherchez l’application dans la liste affichée.
Get started with PowerPoint for the web - Microsoft Support
With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.
Applies To:
PowerPoint for the web