File Extension QM4

.QM4 File

File extension: QM4


Notes about the QM4 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 QM4 file type is primarily associated with 'QMail Mail Door Option or Services File'.

Detailed information for file extension QM4:


Primary association: QMail Mail Door Option or Services File



To change file associations press Windows Key + X 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.

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