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.SEA File Extension

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File TypeSelf-Extracting Archive

DeveloperSmith Micro
4.0 (5 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCompressed Files


This file is saved in a binary format, which requires a specific program to read its contents.


Compressed file archive that uncompresses itself when opened; often created with StuffIt SEA Maker, part of Stuffit Deluxe for Mac OS X; may also be created by various Mac OS Classic utilities, including StuffIt, Disk Doubler, or Compact Pro.

More Information

Some SEA archives created in Mac OS 9 or earlier may not open automatically in Mac OS X. If that happens, use StuffIt Expander (a free download) to open the SEA file.

NOTE: If you can't open an SEA file in Windows with StuffIt, try changing the file extension to ".sit" first and then opening it.

Program(s) that open .SEA files
Microsoft Windows LogoWindows
Smith Micro StuffIt Deluxe 2010
Mac OS X LogoMac
Smith Micro StuffIt Deluxe 16
The Unarchiver
Updated 3/16/2012