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Understand reports

Understand reports about MARC records and files output from Collection Manager and about processes like WorldCat holdings maintenance.

Data sync collection users: When the system identifies duplicate records or multiple matches in your submitted data sync file, the file will be rerun in an attempt to resolve the issue. Multiple reports and files may be generated for each retry.

 Learn more in a training course: WorldCat data sync collections mechanics: create collections, upload files, and review output

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