Key will not be imported, it is generated by JIRA according to the project you are importing it into. If you specifiy and map a key in an import, then the import is treated as an update to an existing issue.
Documentation here: https://confluence.atlassian.com/adminjiraserver073/importing-data-from-csv-861253680.html?_gac=1.220783338.1506009482.CjwKCAjwxo3OBRBpEiwAS7X62dTz2lusHVQ41uP63-z1wfwDhgOFfw4NcF_f-RbyoaGUTCSjXSNg2BoC5SYQAvD_BwE&_ga=2.143264757.1309587125.1506348434-2139828892.1496244810
You might check the market place and see if they have a tool that will meet your need. A quick search brought this up and it might work for you. https://marketplace.atlassian.com/plugins/com.awnaba.projectconfigurator.projectconfigurator/server/overview
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot