PMM filename suffix is mostly used for Pegasus Mail Mailbox Format files. Pegasus Mail Mailbox Format specification was created by David Harris. PMM file format is compatible with software that can be installed on Windows system platform. PMM file belongs to the Data Files category just like 1258 other filename extensions listed in our database. The most popular program for handling PMM files is Pegasus Mail, but users can choose among 1 different programs that support this file format. Software named Pegasus Mail was created by David Harris. In order to find more detailed information on the software and PMM files, check the developer’s official website.
Below is a table that list programs that support PMM files. PMM files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.
Problems with accessing PMM may be due to various reasons. What is important, all common issues related to files with PMM extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with PMM files.
Problems with opening and working with PMM files are most probably having to do with no proper software compatible with PMM files being present on your machine. This one is an easy one. Select Pegasus Mail or one of the recommended programs (for example, Aid4Mail) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Pegasus Mail website and download the installer.
If you already have Pegasus Mail installed on your systems and PMM files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of Pegasus Mail installed, it may not support PMM format. The most recent version of Pegasus Mail is backward compatible and can handle file formats supported by older versions of the software.
After installing Pegasus Mail (the most recent version) make sure that it is set as the default application to open PMM files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.
Selecting the first-choice application in Windows
Selecting the first-choice application in Mac OS
Should the problem still occur after following steps 1-3, check if the PMM file is valid. It is probable that the file is corrupted and thus cannot be accessed.
Should it happed that the PMM is infected with a virus, this may be that cause that prevents you from accessing it. Scan the PMM file as well as your computer for malware or viruses. If the PMM file is indeed infected follow the instructions below.
Did you receive the PMM file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with PMM extension was interrupted and the file data is defective. Download the file again from the same source.
Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.
If the systems has insufficient resources to open PMM files, try closing all currently running applications and try again.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Pegasus Mail Mailbox Format files. It is possible that one of the available system or driver updates may solve the problems with PMM files affecting older versions of given software.
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