Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Xbox Support ... Xbox Support

support.skype.com

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Learn what to do if you see error code 807b0198 when you try to access a game file that is saved in cloud storage on Xbox Live.

Find everything you need to manage your Microsoft account, Xbox profile, and more.

Learn how to protect your PC, identity, and data from tech support scams.

Avoid and report Microsoft technical support scams Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal ...

Skype is retiring in May 2025. Switch over to Teams Free to keep all your chats and contacts in one place, or export your data. Learn more in this FAQ.

Learn how to fix error 0x803F7003 so you can download an Xbox Game Pass game on your Windows 10 device.