diff --git a/src/borg/archive.py b/src/borg/archive.py
index 5c5b8d2b6..da9d3661f 100644
--- a/src/borg/archive.py
+++ b/src/borg/archive.py
@@ -493,6 +493,7 @@ class Archive:
         self.name = name  # overwritten later with name from archive metadata
         self.name_in_manifest = name  # can differ from .name later (if borg check fixed duplicate archive names)
         self.comment = None
+        self.tam_verified = False
         self.numeric_ids = numeric_ids
         self.noatime = noatime
         self.noctime = noctime
@@ -532,7 +533,9 @@ class Archive:
     def _load_meta(self, id):
         cdata = self.repository.get(id)
         _, data = self.repo_objs.parse(id, cdata)
-        metadata = ArchiveItem(internal_dict=msgpack.unpackb(data))
+        # we do not require TAM for archives, otherwise we can not even borg list a repo with old archives.
+        archive, self.tam_verified = self.key.unpack_and_verify_archive(data, force_tam_not_required=True)
+        metadata = ArchiveItem(internal_dict=archive)
         if metadata.version not in (1, 2):  # legacy: still need to read v1 archives
             raise Exception("Unknown archive metadata version")
         # note: metadata.items must not get written to disk!
diff --git a/src/borg/crypto/key.py b/src/borg/crypto/key.py
index aa46b2900..d42549c03 100644
--- a/src/borg/crypto/key.py
+++ b/src/borg/crypto/key.py
@@ -301,7 +301,9 @@ class KeyBase:
         """Unpack msgpacked *data* and return (object, did_verify)."""
         tam_required = self.tam_required
         if force_tam_not_required and tam_required:
-            logger.warning("Archive authentication DISABLED.")
+            # for a long time, borg only checked manifest for "tam_required" and
+            # people might have archives without TAM, so don't be too annoyingly loud here:
+            logger.debug("Archive authentication DISABLED.")
             tam_required = False
         data = bytearray(data)
         unpacker = get_limited_unpacker("archive")
diff --git a/src/borg/helpers/parseformat.py b/src/borg/helpers/parseformat.py
index 7297db376..65d7ac7f3 100644
--- a/src/borg/helpers/parseformat.py
+++ b/src/borg/helpers/parseformat.py
@@ -723,11 +723,12 @@ class ArchiveFormatter(BaseFormatter):
         "id": "internal ID of the archive",
         "hostname": "hostname of host on which this archive was created",
         "username": "username of user who created this archive",
+        "tam": "TAM authentication state of this archive",
         "size": "size of this archive (data plus metadata, not considering compression and deduplication)",
         "nfiles": "count of files in this archive",
     }
     KEY_GROUPS = (
-        ("archive", "name", "comment", "id"),
+        ("archive", "name", "comment", "id", "tam"),
         ("start", "time", "end", "command_line"),
         ("hostname", "username"),
         ("size", "nfiles"),
@@ -750,6 +751,7 @@ class ArchiveFormatter(BaseFormatter):
             "username": partial(self.get_meta, "username", ""),
             "comment": partial(self.get_meta, "comment", ""),
             "command_line": partial(self.get_meta, "command_line", ""),
+            "tam": self.get_tam,
             "size": partial(self.get_meta, "size", 0),
             "nfiles": partial(self.get_meta, "nfiles", 0),
             "end": self.get_ts_end,
@@ -795,6 +797,9 @@ class ArchiveFormatter(BaseFormatter):
     def get_ts_end(self):
         return self.format_time(self.archive.ts_end)
 
+    def get_tam(self):
+        return "verified" if self.archive.tam_verified else "none"
+
     def format_time(self, ts):
         return OutputTimestamp(ts)