macOS

macOS

  • macOS 10.10 (Yosemite), 10.11 (El Capitan), and 10.12 (Sierra)
  • Intel Core processor that can run 64-bit applications
  • 4 GB of RAM (8 GB recommended)
  • At least 200 MB of available space on your hard drive (large email accounts will require more space for messages and indexing)

On macOS, Postbox runs as a 64-bit application.

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Windows

Windows

  • Windows 7, 8, and 10
  • Pentium 4 or newer processor that supports SSE2
  • 4 GB of RAM (8 GB recommended)
  • At least 200 MB of available space on your hard drive (large email accounts will require more space for messages and indexing)

Postbox runs on 32-bit and 64-bit versions of Windows.

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