What is .TCR file extension?
eBook created in the TCR format, which was originally used by the older Psion Series 3 palmtop devices developed in the 1990s; stores the eBook text and formatting in a proprietary format used internally by the Psion device.
TCR files can still be viewed with some mobile device readers, such as ReadManiac, MicroReader, ReadM, and FBReader. They can also be viewed on a desktop computer using Calibre, a cross-platform eBook reader.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.