SteamIDs are unique IDs that are 17 digits for Steam users to identify themselves on servers or 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 are quickly found through the Steam Client and third-party websites such as STEAMID I/O.
How to Find a User's SteamID (Steam Client)
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Open steam.
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On the top right click your profile. Then account details.
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Under your username you will see your unique ID.
How to Find a User's SteamID (STEAMID I/O)
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Go to the steamid.io website.
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In the Input field, enter one of the following:
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The lookup will return a SteamID64 and the user's name.
