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Format

Visual Basic Form File

Summary

Name
Visual Basic Form File
Version
3 or earlier
Identifiers
PUID: fmt/1542
Format type
Text (Unstructured)
Description
The .frm file format was created by early versions of Visual Basic to distinguish between different item types. First released in 1991, Visual Basic was declared legacy in 2008. It provided a GUI which allowed users to modify code by dragging and dropping objects and defining their behaviour and appearance.
File extensions
frm
Source
National Library of Australia / National Library of Australia
Developed by
Microsoft Corporation
Supported by
Microsoft Corporation

Internal signatures

Visual Basic Form File (Version 3 or earlier)

Note
Magic bytes BOF offset 0: ÿÌ,. And EOF offset 0: .ý

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
FFCC2C00
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
0
Byte Sequence
00FD
Endianness
None

Changelog

  • Added in V100

    Release date
    16 December 2021

    Visual Basic Form File (3 or earlier): Signature researched and samples provided by The National Library of Australia.

    Visual Basic Form File (3 or earlier): Full entry added. Submitted by The National Library of Australia.