diff --git a/app/services/graduation_service.rb b/app/services/graduation_service.rb
index f2dcde6a..31318563 100644
--- a/app/services/graduation_service.rb
+++ b/app/services/graduation_service.rb
@@ -50,7 +50,7 @@ def run
   def parse_registrar_file
     grad_records = @registrar_feed.graduation_records
     case grad_records.content_type
-    when 'text/csv'
+    when 'text/csv', 'application/vnd.ms-excel'
       registrar_csv = CSV.parse(grad_records.download, headers: true, header_converters: DOWNCASE_CONVERTER)
       registrar_csv.map { |row| [row['etd record key'], row.to_hash] }.to_h
     when 'application/json'