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For files stored on external storage systems, such as Amazon S3, Digital Ocean Space, etc. , they will work on the MetaFox site seamlessly as the external storage configurations will be migrated to MetaFox automatically. There are no additional steps to migrate them.
Update for searching
We will need to reindex migrated data for global searching. Let's go to AdminCP > Maintenance > Reindexing page. And click on the ReIndex button. Please note that it will take a while for migrated data to be searched.
Congratulations. You have completed the Migration from phpFox V4 to MetaFox.