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Hopefully, after reading this article, you’ve fixed the Steam won’t open on Mac issues. Normally, after you installed the Steam app, this issue should be resolved. Now Steam should be completely removed from your Mac and you can proceed with trying to reinstall it once again. Go to ~/Library/Preferences and ~/Library/Logs to delete Steam from all of them.Then on your keyboard, press Shift + ⌘ + G to visit ~/Library/Caches, delete the Steam folder.Open Finder and go to your hard drive -> Library -> Application Support to delete the Steam folder.To delete Steam’s cache from your Mac, just follow the steps below: These cache filed are kept in your Mac’s Library folder. Sometimes, corrupted Steam cache files may also lead to the Steam won’t open issue. If this issue reappears, try the next fix, below. This will force Steam to download the latest version and perform a fresh install. Then simply launch Steam like you normally would. Once the Steam folder is opened, locate the folder Steam.AppBundle and delete it. Open Finder and go to the following location: This fix allows you to reinstall Steam on your Mac quickly, without removing any games already installed. Delete Steam.AppBundle to reinstall Steam Launch Steam and see if this issue persists.Then check the box next to Set date and time automatically. If you notice that “ Set date and time automatically” is not checked, click the lock icon at the bottom left corner to make changes.Go to System Preference -> Date & Time.You can follow the steps below to set your time and date to automatic: This may happen when your time and date are not set to automatic. Steam’s server might output an error if the time and date on your Mac are not in sync with Steam’s server. See if this fix resolve the Steam won’t open issue.

Then select it and click the stop button in the top bar. Locate Steam in the list of processes.If there is no updates available, or if Steam still won’t open after installing the latest updates, you can try quitting the Steam app completely with any auxiliary processes it might be running:

Macos on steam