I’ve lost the daily challenge or game progress for Sudoku New Build Available on Windows & iOS – Version 2.4.4261 and on Android - Version 2.4.5181 If you’re having issues with losing daily challenges or game progress in Sudoku, our team has recently released a new build update that could resolve the problem.

Learn more about what’s supported by Games for Windows Live.

Error code 1170000 means there is a problem related to connecting to the Xbox servers. Find out how to fix error code 1170000.

Learn how to use App Builder in Microsoft 365. you can build apps, play them, share them, and delete them.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures. Select the signature you want to edit, and then make your changes in the ...

Use your mobile device to unlock or edit a file that another user has locked for editing.

Website notifications appear in the lower right corner of your screen and are also displayed in the notification center. When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.