Create and edit a flow chart using a variety of layouts and options.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

In the new Outlook for Windows, a toggle appears at the top right of the Outlook window. While the toggle is turned on, if you try to launch classic Outlook for Windows or Windows Mail you'll be automatically redirected to new Outlook for Windows.

Use the Settings app in Windows 10 to set a default printer and manage printer settings.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Troubleshooting steps for the calling feature of the Phone Link app.

Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

If you know your username and password but they have stopped working, read My username and password have stopped working.. If you forgot your Microsoft account username or email address, and you have previously set up other security information on your Microsoft account, follow the steps below.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments.