Notes about the QWK file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The QWK file type is primarily associated with '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.
Detailed information for file extension QWK:
Primary association: QWK Reader
File classification: ArchiveIdentifying characters
Hex: 50 4B 03 04 , ASCII: PK
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.