Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat. For those who use Teams or Teams for personal use, this includes both one-to-one chats and new or existing group chats.
Applies To:
Microsoft Teams
Check out, check in, or discard changes to files in a SharePoint ...
If you want to make changes to a file on a SharePoint site and you want to make sure no one else can edit it, check out the file. When you have the file checked out, you can edit it online or offline, and save it—multiple times, if necessary.
Applies To:
Excel for Microsoft 365, Excel 2021, OneDrive for Business, SharePoint Server Subscription Edition, Excel 2019, SharePoint Server 2019, Excel 2016, SharePoint Server 2016, SharePoint Server 2013, SharePoint in Microsoft 365, OneDrive (work or school), SharePoint Server 2010
How to sign in to a Microsoft account - Microsoft Support
If you can't sign into your Microsoft account, use our guided tool below to help you find the correct solution. Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.
Applies To:
Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Edge, Microsoft Teams, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
See files others have shared with you - Microsoft Support
See files others have shared with you. Sometimes you need to find a file someone has shared with you. Files can be shared using the sharing dialog, attaching a file or sharable link in email, sending a link in Teams, or other experiences.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for iPad, Word for iPad, PowerPoint for iPad, Excel for iPhone, Word for iPhone, PowerPoint for iPhone, Word for Android tablets, Excel for Android tablets, PowerPoint for Android tablets, Excel for Android phones, Excel Mobile, PowerPoint for Android phones, PowerPoint Mobile, Word for Android phones, Word Mobile