Logic Pro 9.1.x, Logic Express 9.1.x: Some features may not be available in 64-bit mode

When you are working with Logic Pro or Logic Express in 64-bit mode, some features may not be available. Projects created in one mode can be opened in the other, so you can switch back to 32-bit mode to access these features when necessary.

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To switch Logic between 32- and 64-bit mode:

  1. Quit Logic Pro, if it is running.
  2. Navigate to and select the Logic Pro application in the Applications folder.
  3. Choose File, then Get Info.
  4. Select the "Open in 32-bit mode" checkbox to run Logic Pro in 32-bit mode. Deselect the checkbox to run Logic Pro in 64-bit mode. 

The following features are available only when running Logic Pro 9.1 or later, or Logic Express 9.1.1 or later in 32-bit mode.

  • Firewire streaming of video
  • Digital Cinema Desktop
  • OMF import and export
  • Recycle (REX) file support
  • ReWire support
  • Vienna Symphonic Library Tool
  • Logic Node processing
  • AKAI format sample import
  • Internal Apple QuickTime Synthesizer
  • Export audio to movie
  • Transport controls in movie window

Additionally, the following features are available only when running Logic Pro 9.1 in 32-bit mode (but are available in 64-bit mode with Logic Pro 9.1.1 or Logic Express 9.1.1 or later).

  • Conversion to MP3
  • AAF import and export
  • EuCon control surface support
  • Automap of parameters with control surfaces

 

Additionally, the following features are available only when running Logic Pro 9.1 in 32-bit mode (but are available in 64-bit mode with Logic Pro 9.1.2 or Logic Express 9.1.2 or later).

  • REX file support. (Requires compatible REX Library, version 1.7 or later. See the downloads area of the Propellerheads website for details.)

 

See the Logic Pro and MainStage 64-bit mode FAQ for more information about running Logic Pro in 64-bit mode.

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