Hi Matt,
Please open your database which you have linked table and goto VBA (Alt+F11). Goto Immediate (Debug) window (Ctrl + G) then copy and paste the following command line for the main source file name (Excel file path in this case)
print currentdb.TableDefs("tablename").Properties("Connect")
"tablename" is the current table name in Tables view.
to get the sheet or range name :
print currentdb.TableDefs("tablename").Properties("SourceTableName")
I hope it helps.
Suat