STEPS : Create a New LOCAL project
**Go to PROCESS folder inside your workspace of the Project
For Eg : C:\Studio\Mywork\MYLOCAL\process (MyWork is the Workspace and MyLocal is the project)
** Copy the below 3 files of all the jobs you have in the PROCESS folder.
.item
.properties
.screenshot
**Right click on Job Designs, Click on Import Items
** Select Root Folder as the Workspace folder (Eg: C:\Studio\Mywork\)
** All the jobs will appear now
**Click on overwrite contexts
** Click on Finish
**Now you have got the jobs you want ..
For more details check the below link.
URL : https://jimmcnulty.wordpress.com/2014/07/31/opening-talend-jobs-in-any-version/