A daily updated filename extension database!

MDR file extension

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

  • What is the .mdr file?
  • What program do I need to open a .mdr file?
  • How can the .mdr file be opened, edited or printed?
  • How can I convert .mdr files to another format?
  • Where can I find the specifications for .mdr?
  • Which MIME-type is associated with the .mdr extension?

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

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

ZX Spectrum Emulator Microdrive Cartridge Data

MDR file is a ZX Spectrum Emulator Microdrive Cartridge Data. The ZX Spectrum is a home computer (8bit) released in the United Kingdom in 1982 by Sinclair Research Ltd.
Category: Data files
Application: Spectaculator
Mime-type: application/x-spectrum-mdr
Magic number: -
Magic string: -
Sample: -
MDR aliases:
MDR related links:
MDR related extensions:
ZX Spectrum Emulator Snapshot

ZX Spectrum Emulator Snapshot Extended

ZX Spectrum Emulator Snapshot Z80

ZX Spectrum Emulator ZXS Snapshot

ZX Spectrum Emulator Tape Data TAP

ZX Spectrum Emulator Tape Data TZX

ZX Spectrum Emulator SLT Snapshot

ZX Spectrum 128 Audio

TR-DOS Floppy Disk Image

Speculator 97 Snapshot

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

The .mdr file extension is often given incorrectly!

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

md, jdr, mvr, dmr, mrr, mfr, mdt, mde, ldr, ndr, mwr, dr, msr, mrd, mer

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Chaos Desktop Metadata
Mayura Draw Document
Sega Genesis ROM MD
MuseData Score
JpgfDraw Drawing Binary
BrainVoyager QX Diffusion-Weighted Project
FactoryTalk View Studio Macro Component File
FactoryTalk View Studio Runtime Application
WindLDR Ladder Diagram
Microsoft SQL Server Database

Can't open a .mdr 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 .mdr 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 .mdr file extension, write to us!

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