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The attachment storage contains all attachments (attached & inline) for QTM4J Test cases, Test Steps, Test Cycles, Test case Executions, Test Step Executions, and Exploratory Sessions on your Jira instance.
The data storage contains all details of QTM4J Test cases, Test Steps, Test case Versions, Test case Executions and Test Step Executions on your Jira instance, except attachments.
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