# Sharing Data Catalog tables and databases across Amazon Web Services accounts or IAM principals from external accounts
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This section includes instructions on how to grant cross-account permissions on Data Catalog resources to an external Amazon account, IAM principal, Amazon organization, or organizational unit. The grant operation automatically shares those resources. 

**Topics**
+ [Data sharing using tag-based access control](cross-account-TBAC.md)
+ [Cross-account data sharing using the named resource method](cross-account-named-resource.md)