SteamIDs are unique IDs that identify Steam users on servers and in other online games. Server owners can use a SteamID to add and remove admins from Steam game servers and add users to ban lists or whitelists. SteamIDs can be quickly found in the Steam Client and on third-party websites such as STEAMID I/O. SteamIDs are a foundation for building secure, accountable player communities, enabling server administrators to maintain order and resolve issues promptly while fostering a positive gaming atmosphere.

How to Find a User's SteamID (Steam Client)

1. From Steam, go to the Steam Profile of the desired user.

2. From the Steam URL address bar, take note of the numbers at the end. The numbers refer to the SteamID64.

How to Find a User's SteamID (STEAMID I/O)

1. Go to the steamid.io website. 

2. In the Input field, enter one of the following:

3. The lookup will return a SteamID64 and the user's name.

Note: Some games use SteamID64, while others use SteamID.