InstallShield installer archive
From Just Solve the File Format Problem
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== Discussion == | == Discussion == | ||
| − | Based on | + | Based on unconfirmed information, the 16-bit SETUP.EXE program detects the user's platform, and extracts the appropriate platform-specific installer programs from <code>_INST32I.EX_</code>. |
== Identification == | == Identification == | ||
Revision as of 15:57, 22 February 2018
InstallShield installer archive is what we're calling the format of the _INST32I.EX_ file included in many Windows software distributions that use the InstallShield installation software. It appears to be a general-purpose compressed archive format, though it's not clear whether it has been used in any other way.
Contents[hide] |
Disambiguation
It is not to be confused with InstallShield CAB, InstallShield Z, or MS-DOS installation compression.
Discussion
Based on unconfirmed information, the 16-bit SETUP.EXE program detects the user's platform, and extracts the appropriate platform-specific installer programs from _INST32I.EX_.
Identification
Files begin with bytes 2a ab 79 d8.
At offset 8 is the message "Copyright (c) 1990-1995 Stirling Technologies, Inc. All Rights Reserve".
Sample files
Links
- FILExt page about the ??_ file extension pattern (Look for "InstallShield")
