Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

In Microsoft Teams (free) you can add SMS participants from Australia, Brazil, Canada, Colombia, France, Germany, Great Britain, India, Japan, Mexico, or the US to a new or existing group chat. SMS participants from other countries will receive an invite to join Microsoft Teams (free) and can then join the group.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

With Teams Premium and Virtual Appointments, you can send your customers confirmation and reminder SMS text messages to make sure they have their appointment information and have a simple way to join an appointment no matter where they are.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

In Windows Media Player, you can play audio CDs, data CDs, and data DVDs that contain music or video files (also known as media CDs). You can also play video CDs (VCDs), which are similar to DVDs, although the video quality isn't as high.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.

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.