Export backpac file from on prem

Following are steps to export the backpac file from the SQL on premises databases:

Goto Local Database Properties >Select Task > Select Export Data-tier Application

Next >

Browse > Select local disk location to save backpack export file. 

Advanced > Select Tables as per requirement 

Check Summary

Faced multiple Error of elements which are not supported in Azure  

Kept only those table are supported

Export completed successfully.