Thank you for the feedback. Please let us know if this article helps your scenario: https://docs.microsoft.com/en-us/azure/search/search-howto-indexing-azure-blob-storage#using-blob-metadata-to-control-how-blobs-are-indexed
You can specify if a blob should be skipped during indexing by modifying that blob’s metadata.
Azure Search Product Team
An error occurred while saving the commentErez Wolf commented
This could work. what if one wants to re-add it to be indexed (ie undo the exclusion)?