MainStage 2.1: Some features may not be available in 64-bit mode

When you are working with MainStage 2.1 in 64-bit mode, some features may not be available. Concerts created in one mode can be opened in the other, so you may switch back to 32-bit mode to access these features whenever necessary.


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You can switch MainStage between 32- and 64-bit mode following these steps:

  1. Quit MainStage if it is running.
  2. Navigate to, and select the MainStage application in the Applications folder.
  3. Choose Get Info from the Finder File menu.
  4. Enable the "Open in 32-bit mode" checkbox to run MainStage in 32-bit mode.
    Disable the checkbox to run MainStage in 64-bit mode.


The following features are only available when you use MainStage in 32-bit mode:

  • Recycle (REX) file support
  • ReWire support
  • Vienna Symphonic Library Tool
  • AKAI format sample import

 For more information about running MainStage in 64-bit mode, see the Logic Pro and MainStage 64-bit mode FAQ

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
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