About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Open the Microsoft Store app. Click on your profile picture in the upper right corner. Select Settings. Look for the Purchase confirmation section and toggle on the option that requires you to enter your password before making any purchase.

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You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or office. Note: Purchases made in Candy Crush may show as MICROSOFT*CANDY CRUSH. Contact King support in the app or at community.king.com.

Troubleshoot slow game or app downloads on Xbox One Account error occurs when signing in to Xbox network

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

In certain countries and regions, mobile operator billing can be used as a payment option to buy subscriptions like Game Pass and content such as games, apps, music, HD movies, and TV shows on your Xbox console and Xbox.com.