A daily updated filename extension database!

QWK file extension

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

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

✅ QWK Offline Mail Packet

QWK file is a QWK Offline Mail Packet. QWK is file-based offline mail reader format that was popular among bulletin board system (BBS) users, especially users of FidoNet and other networks that generated large volumes of mail.
Category: Data files
Application: -
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
QWK aliases:
QWK related links:
QWK related extensions:

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

🚫 The .qwk file extension is often given incorrectly!

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

qdk, qsk, qw

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

QEMM Startup File Backup
Quintessential Player Kid Skin
QmailAdmin Data

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

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