Convert azw to tcr

What is the difference between .azw and .tcr?

Description: It is an Amazon Kindle digital eBook format specially developed for reading on the wireless Kindle device or the desktop application. A standard USB can be used to move .azw files from your PC to the kindle. Very similar to the .PRC Mobipocket file with formatted chapter markers and texts.; The TCR file format is associated with eBook files specifically used by Psion Series 3 devices. Psion Series 3, a range of personal digital assistants (PDAs) developed in the early 1990s, utilized these files to store and display electronic books (eBooks). TCR files are designed to be compact to suit the limited storage capacities of early PDAs. They contain the text of the eBook, and possibly basic formatting, optimized for the low-resolution screens of the Psion device.