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User (private) - users can create their own private filters not visible to others
Board (team) - filters visible to everyone on a board, backlog or epic panel managed by the board administrator
Global (all boards) - filters visible to everyone and available on all boards created and managed by Jira administrator. Created filters can be edited anytime from a single screen on all boards.
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A build-in tool will help you managing the filters for example reorder, import, export, copy, change type.
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See Copy or move filters using Filter Manager page for more details.