As of now the Sophos Central client is managing Windows Bitlocker for the drive encryption. Currently we do not have any update on Sophos central file encryption.
On the roadmap of the Sophos Partner Conference in Lisbon state that is coming up this year. What's the current timeline of release of Sophos Central File Encryption?
Our team is working on the Sophos Central File Encryption (For external drives) option, it might be available from 2018 (No Definitive ETA available as of now).
The Previously mentioned information is out of date and we need to wait for the official announcement from the concerned team regarding Central file-based encryption. We appreciate your patience in this regards.