Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft 365 Family subscription, get questions answered from anywhere via chat or request to receive a call back from one of our technical support experts.

If you’re a business customer, visit Business billing help or Understand your bill for Microsoft Azure. Learn what to do if you find charges you don't recognize from Microsoft.

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.

Get answers in the Microsoft 365 community forums. Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Windows Media player should now be reinstalled. Note: To troubleshoot issues like playback and codec problems, see the "Get help" section in Windows Media Player. Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).

In Excel 2010, the maximum worksheet size is 1,048,576 rows by 16,384 columns. In this article, find all workbook, worksheet, and feature specifications and limits.

COUNTIFS (criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments: criteria_range1 Required. The first range in which to evaluate the associated criteria. criteria1 Required.