Bump. Having the same issue and would like to get some clarification!

When I create fragments in AJO through UI using default structure and content components, modify styles with styles editor and save, they work fine in the email editor. However, the HTML code the system generate is lacking some outlook and dark mode specific code e.g. bolding does not work and image...

Dear @Zahid_14, I don't think deduplication can be achieved with Audience Composition as of now. I'd imagine it could be done with query or deduplication feature which are not published for AC yet. 

Thanks for the reply!   Email is not used as an identifier in our system, hence the need for de-duplication.   Primary identifier is an ID generated in CRM. In addition to that, couple of other IDs generated in different source systems.   Email cannot be used as an identifier because some customers ...

Hi! Since there is no option to de-duplicate by email in journeys, is there a workaround to achieve this with for example segments or condition (functions) in a journey? Thanks!