diff --git a/Global/macOS.gitignore b/Global/macOS.gitignore
index cd9afb76..480352a4 100644
--- a/Global/macOS.gitignore
+++ b/Global/macOS.gitignore
@@ -22,3 +22,12 @@ Icon[
]
 Network Trash Folder
 Temporary Items
 .apdisk
+
+# Mac OS 6 to 9
+Desktop DB
+Desktop DF
+TheFindByContentFolder
+TheVolumeSettingsFolder
+.FBCIndex
+.FBCSemaphoreFile
+.FBCLockFolder