We have enabled Relevance Search, and if I use relevance search in the actual "website" I can retrieve Order records.
If I attempt to use the relevance search in the CRM App for Outlook, I'm not able to get any order entity results.
I've attempted to verify our configuration inline with what I've found here:
https://community.dynamics.com/crm/f/117/t/264038
and here
Under System Admin: Relevance Search is enabled and order is one of the selected entities
Under Customizations the order entity is enabled for mobile, the order entity is included for selected entities and we are at 22% of our 1000 indexable fields
For the order entity's Managed Properties, "Can enable sync to external search index" is enabled.
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