since 2000
Opening QWK Files
The QWK file type is primarily associated with QWK Reader.
What is a QWK file?
QWK files mostly belong to QWK Reader. QWK is file-based off-line 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. QWK was originally developed in 1987 for systems running the popular PCBoard bulletin board system, but it was later adapted for other platforms. During the height of bulletin board system popularity, several dozen offline mail readers supported the QWK format. The file is ZIP compressed.
How to open a QWK file
You need a suitable software like QWK Reader to open a QWK file. You need a suitable software like QWK Reader to open a QWK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your QWK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a QWK file directly in the browser:. Just drag the file onto this browser window and drop it.
Online QWK Text Viewer
or drag and drop it here
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4 Steps to Open an Unknown .QWK File
Because .QWK files can originate from different systems, they aren't universally openable with a single application.
- Identify the Source: These files often come from legacy Bulletin Board Systems (BBS) or offline mail networks, suggesting they are message archives.
- Check the Header: Open the file in a hex viewer to inspect the first bytes:
- "PK" indicates a standard ZIP archive containing message data.
- ARC or LZH headers suggest older compression methods.
- Plain text might indicate an uncompressed file.
- Use the Original Software: You typically need a dedicated QWK Reader like MultiMail, SLMR, or Offline Express to view the messages; if unsure, ask the sender.
- Use this Webpage: Drag and drop your .QWK file onto this page to automatically detect its format, extract readable text or metadata, and preview the contents.
Technical Data for QWK File Extension
File classification:
Archive
Identifier:
Hex: 50 4B 03 04, ASCII: PK (provided by TrID database)
Related links:
The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.
ProgramID: PAZIP
EXEFile: %ProgramFiles%\PowerArchiver\POWERARC.EXE %1
EXEFile: %ProgramFiles%\PowerArchiver\POWERARC.EXE %1
ProgramID: PAZIP
EXEFile: %ProgramFiles%\Accessories\PowerArchiver\POWERARC.EXE
EXEFile: %ProgramFiles%\Accessories\PowerArchiver\POWERARC.EXE
a qwk Message is a special file format and should only be edited and saved with the appropriate software.
How to solve problems with QWK files
- Associate the QWK file extension with the correct application.
- Update your software that should actually open messages. Because only the current version supports the latest QWK file format. Search, therefore, e.g. on the manufacturer website after an available QWK Reader update.
- To make sure that your QWK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
- Click here to open your .QWK file online - secure, fast, and no downloads needed.