diff --git a/sfm/server.py b/sfm/server.py
index cd2cf80..a7b8cae 100644
--- a/sfm/server.py
+++ b/sfm/server.py
@@ -1659,8 +1659,33 @@ async def db_import_blastware_file(
             continue
 
         if name.lower().endswith(".txt"):
-            # Strip the ".txt" suffix to get the binary's filename.
-            reports[name[:-4].lower()] = content
+            # Pair the report back to its binary.  BW writes ASCII
+            # reports under two conventions:
+            #
+            #   1. ACH convention (Blastware's official Auto Call Home):
+            #        binary:  M529LK44.AB0
+            #        report:  M529LK44_AB0_ASCII.TXT
+            #      (replaces the "." with "_", appends "_ASCII.TXT")
+            #
+            #   2. Manual-export convention (operator clicks Save As Text
+            #      in BW's UI):
+            #        binary:  M529LK44.AB0
+            #        report:  M529LK44.AB0.TXT
+            #      (literal binary filename + ".TXT" suffix)
+            #
+            # We register BOTH possible binary names as keys so the
+            # subsequent lookup matches whichever convention was used.
+            stripped = name[:-4]            # remove ".TXT"
+            # ACH convention: strip "_ASCII" and convert the last "_"
+            # back to "." to recover the binary's filename.
+            if stripped.lower().endswith("_ascii"):
+                inner = stripped[:-6]       # remove "_ASCII"
+                under = inner.rfind("_")
+                if under >= 0:
+                    ach_binary = inner[:under] + "." + inner[under + 1 :]
+                    reports[ach_binary.lower()] = content
+            # Legacy convention: the stripped name IS the binary's name.
+            reports[stripped.lower()] = content
         else:
             binaries.append((name, content))