E-mail and Address
This site is chock full of links. The idea here is that if your messages or address book is corrupted, perhaps if you convert it to another format, you will have a resulting good file that can be reimported into the client you use.
Name - Mail and address format conversions
Download URL - http://www.emailman.com/conversion/
Developer - Not currently available. May be added later.
OS - Many
File Size - NA/Web Page
Supported Software Versions or File Systems - Many
Developer Provided Description - "Convert your e-mail and addresses from one format to another"
Comment - The idea here would be if you have a corrupt mail or address book file, converting the file into another format will allow you to recover some of the data.