libcaja-extension1 software package provides libraries for caja components, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcaja-extension1
libcaja-extension1 is installed in your system.
Make ensure the libcaja-extension1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcaja-extension1 *
You will get with libcaja-extension1 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Libraries |
| Package | libcaja-extension1 |
| Version | 1.8.2-3+deb8u1 |
| Description | libraries for caja components |
| Sub Section | libs |