Exporter allows you to export your issue list in CSV format. We developed this feature to ensure compatibility with Jira's native import wizard. Please, keep in mind that Export doesn't allow you to import issues.
There are a few things to keep in mind when you are trying to import, such as how to prepare the CSV file and how to map the CSV files to the Jira import wizard. Here you will find a document created by Atlassian where they explain this process: Import data from CSV file.
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