Gives overview of basic settings and built-in functions
Walks through MARC character conversions, breaking MARC file into smaller files, joining MARC records into larger file, batch processing records, and merging records
Outlines principles guiding XML conversion
Explains how to register an XML conversion
Outlines manipulation of tab delimited data
Walks through adding RDA fields to existing MARC records
Allow users to manipulate linked data (not fully functional)
Walks through specific and global editing functions within MarcEditor
Discusses underlying construction of MarcEditor within MarcEdit
Discusses scripting in MarcEdit
You will have to first join the listserv, which you can do by following the above link. Once you have joined, you can search the archive. The developer is very active on the listserv and answers many user questions directly. The archive in particular is useful for identifying problems with less popular functions.
Reese, Terry. "Using MarcEdit to Bridge the Distance between AACR2 and RDA." Journal of library metadata 14.3/4 (2014):281-297. Web.