Steam has zero control over third party applications

引用自 R：

I want to remove my steam account from the FaceIT account that has my steam linked.
can anyone help me with this? Faceit support told me to contact steam so this is what i did. So can you Steam remove my account from the faceit account that has my steam? i dont know the email account that has it, and someone used my account. Please help!!

This is a user forum. No Steam Support here.

Steam Support won't unlink your account from third-party sites anyway.

引用自 R：

I want to remove my steam account from the FaceIT account that has my steam linked.
can anyone help me with this? Faceit support told me to contact steam so this is what i did. So can you Steam remove my account from the faceit account that has my steam? i dont know the email account that has it, and someone used my account. Please help!!

no support here. Valve/steam cannot unlink 3rd party websites. unlinking falls on Faceit, the following states in faceit FAQ

CS2 game id - https://support.faceit.com/hc/en-us/articles/10013290532252-Can-I-change-my-CS2-game-ID
In accordance with our Terms & Conditions, altering or erasing a CS2 game ID linked to a FACEIT account is not feasible.

This policy remains in effect regardless of circumstances such as a VAC ban on the Steam account, the sale of the FACEIT or Steam account, GDPR deletion, or deactivation.

changing email address - https://support.faceit.com/hc/en-us/articles/115000013924-Changing-your-email-address
deactivate faceit account - https://support.faceit.com/hc/en-us/articles/115000014004-Deactivate-account
account management - https://support.faceit.com/hc/en-us/categories/360003095580-Account-Management