What's the difference between PE32+ and PE32?

Question

When running CorFlags on some DLL file, some show as PE32 and some show as PE32+. What's the difference?

score 57 · Accepted Answer · edited May 03 '23 at 19:21

57

The PE32 format stands for Portable Executable 32-bit, while PE32+ is Portable Executable 64-bit format.

Please see this article for detailed info.

edited May 03 '23 at 19:21

Matthias Braun

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answered Nov 26 '10 at 10:26

Srinivas Reddy Thatiparthy

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score 17 · Answer 2 · answered Sep 04 '13 at 08:06

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The flags interpretation:

Any CPU: PE = PE32 and 32BIT = 0

x86: PE = PE32 and 32BIT = 1

64-bit: PE = PE32+ and 32BIT = 0

answered Sep 04 '13 at 08:06

Cornel Marian

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score 14 · Answer 3 · answered Oct 07 '15 at 00:36

Here's a more complete list of architecture build options and the corresponding corflags output for the relevant fields:

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                      PE     32BITREQ  32BITPREF 
─────────────────────────────────────────────────
 x86                  PE32          1          0 
 AnyCPU               PE32          0          0 
 AnyCPU prefer 32bit  PE32          0          1 
 x64                  PE32+         0          0 
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

What's the difference between PE32+ and PE32?

3 Answers3