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.

Contact Skype support. Select your issue. I'm having trouble signing in to Skype. I have a question about payments, billing or Skype's paid services. I'm having trouble making a call. I have a question about how to use Skype's features. I don't see my contacts, Skype Credit or chat history after signing in. I need help with my Skype account.

This error can occur if: You're on a PC and you're trying to install the Mac version of a one-time purchase of Office, such as Office Home & Student; or you're trying to install the PC version of Office on a Mac. For solutions to this, see Unsupported operating system error when installing Office.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac. Learn how to use the keyboard to navigate in Microsoft Edge.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Check which version of DirectX is installed. The DxDiag tool reports detailed information about the DirectX components and drivers installed on your system and can be used.

The SUMIFS function, one of the math and trig functions, adds all of its arguments that meet multiple criteria. For example, you would use SUMIFS to sum the number of retailers in the country who (1) reside in a single zip code and (2) whose profits exceed a specific dollar value.

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Add members to a team in Microsoft Teams. If you're a team owner, you can add someone to a team. If you're not a team owner, you can submit a request and the team owner can then accept or deny it. This topic is about adding members who are already a part of your team's org.

Schedule a webinar. Microsoft Teams webinars provide the tools to schedule your webinar, register attendees, run an interactive presentation, and analyze attendee data for effective follow-up.