TCR, Psion Series 3 eBook File (.tcr)
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The TCR eBook file format
Files with the TCR extension are a by now deprecated e-book file format. Originally, the format has been developed by Psion Teklogix for their Psion Series 3 devices. The Psion Series 3 devices and the proprietary TCR format have been developed in the 1990s, but have since been abandoned in favor of more popular and more widely supported e-book formats. However, there are still some mobile and desktop readers that are able to handle, open and display TCR files.
Technical details of TCR files
TCR files, like any e-book files, can contain the text of the e-book, but only very basic and limited formatting. The TCR format provided, at the time of release, a better compression ratio than it's immediate competitors.
More information about the TCR file format
| File extension | .tcr |
| File category | eBook |
| Example file |
Download example.tcr file (2.29 KiB) |
| Associated programs | Calibre (Windows, Mac 6 Linux) |
| Useful links | Further information about the TCR format |
| File conversion | Convert a file to TCR |
| Developer | Psion Teklogix |