Notes about the MP3MAN 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 MP3MAN file type is primarily associated with 'MP3Man' by You 2 Software. MP3Man is a substitute for Diamond's Rio Manager (no USB-support!). In addition to the Rio Manager there are also versions for Windows NT, 2000 and XP available. With MP3Man it is possible to download any type of file to the Rio player. Additionally, it can upload files from the Rio player (this is not possible with Diamond's Rio Manager). MP3Man was previously called RioMan.
Detailed information for file extension MP3MAN:
File classification: Audio
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.