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After installing the Excel-like Issue Editor for Jira in your Jira Cloud instance that you are migrating to and completing the cloud migration using Atlassian migration tool, there are two configurations that you need to migrate them manually:
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If you have any questions, please get in touch with our support team.
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If Check out this article if you are migrating from Server / Data Center to Cloud, check out this article. How to migrate Excel-like Issue Editor from Server / Data Center to Cloud