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D81 file extension

The table below provides useful information about the .d81 file extension. It answers questions such as:

  • What is the .d81 file?
  • What program do I need to open a .d81 file?
  • How can the .d81 file be opened, edited or printed?
  • How can I convert .d81 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Commodore VC-1581 Disk Image

Commodore VC-1581 Disk Image .d81 file icon
D81 file is a Commodore VC-1581 Disk Image. D81 is a file format used by C64 emulators to store images of VC-1581 disks.
D81 format description not yet available
Category: Disk Image files
Application: Vice C64 Emulator
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
D81 aliases:
D81 related links:
D81 related extensions:
Amiga Disk Image

TR-DOS Disk Image

Commodore 64 Disk Image

Compressed Amiga Disk Image

Atari ST MSA Floppy Disk Image

Atari ST Standard Floppy Disk Image

Amiga Diskmasher Disk Image

Commodore 64 Tape Image

VICE Snapshot File

Commodore 64 Program Image

Other types of files may also use the .d81 file extension.

🚫 The .d81 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d1, du1

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Progress OpenEdge Database
Atari ST DUO Image

🔴 Can't open a .d81 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .d81 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .d81 file extension, write to us!

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