You can also move the folder without breaking Steam by using a Symbolic Link like others have mentioned but since Steam has a feature to install games elsewhere already I recommend doing that. If all you want is to avoid it backing up your games you can tell Time Machine Backup (TMB) to exclude the SteamApps folder. The only possible drawback is that as of writing you can only move one game at a time, which may or may not be an annoyance depending on your library size. With this method you also can choose which games to keep on e.g. Repeat steps 8-11 for all games you want to move.
#Install steam on mac download#
Moving a big library using this method will take some time, but it will actually move it, and they will download there in the future. You can check by Command-Clicking on the folder icon in the title bar (among other methods). If you did it right, the window that opens should be in the new location.
#Install steam on mac mac#
It does this because different games may have different directory structures-unfortunately, not all Mac games come in neatly-packaged app bundles. When you install a game, Steam places it in ~/Library/Application Support/Steam/SteamApps/ and creates an alias in ~/Applications/ which you can use to launch the game.