Excel-like Bulk Issue Editor does not store customers' data, so some configuration must be done manually when migrating to another Jira Cloud instance.
There are two ways to open Excel-like Bulk Issue Editor spreadsheet:
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After installing the Excel-like Bulk 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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Check out this article if you are migrating from Server / Data Center to Cloud. How to migrate Excel-like Issue Editor from Server / Data Center to Cloud