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Power Admin offers custom field-specific filters, which help you find custom fields and perform advanced analysis on your Jira instances:
Type filter - you can find all the custom fields of a specific type.
Global Context filter - you can find all the custom fields with a global context.
Type, Global Context, and Projects filters perform quick, complex, and valuable analysis of custom fields. If you would like to find out which custom fields are used in a lot of projects or not used in projects click on the Projects column header in the table with search results.
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