diff --git a/crates/zed/src/languages/cpp/config.toml b/crates/zed/src/languages/cpp/config.toml
index c719fae1eb..d9b38bca06 100644
--- a/crates/zed/src/languages/cpp/config.toml
+++ b/crates/zed/src/languages/cpp/config.toml
@@ -1,5 +1,5 @@
 name = "C++"
-path_suffixes = ["cc", "cpp", "h", "hpp"]
+path_suffixes = ["cc", "cpp", "h", "hpp", "cxx", "hxx", "inl"]
 line_comment = "// "
 autoclose_before = ";:.,=}])>"
 brackets = [
diff --git a/crates/zed/src/languages/javascript/config.toml b/crates/zed/src/languages/javascript/config.toml
index c23ddcd6e7..8f4670388e 100644
--- a/crates/zed/src/languages/javascript/config.toml
+++ b/crates/zed/src/languages/javascript/config.toml
@@ -1,5 +1,5 @@
 name = "JavaScript"
-path_suffixes = ["js", "jsx", "mjs"]
+path_suffixes = ["js", "jsx", "mjs", "cjs"]
 first_line_pattern = '^#!.*\bnode\b'
 line_comment = "// "
 autoclose_before = ";:.,=}])>"
diff --git a/crates/zed/src/languages/python/config.toml b/crates/zed/src/languages/python/config.toml
index 80609de0ba..6777f6e60d 100644
--- a/crates/zed/src/languages/python/config.toml
+++ b/crates/zed/src/languages/python/config.toml
@@ -1,5 +1,5 @@
 name = "Python"
-path_suffixes = ["py", "pyi"]
+path_suffixes = ["py", "pyi", "mpy"]
 first_line_pattern = '^#!.*\bpython[0-9.]*\b'
 line_comment = "# "
 autoclose_before = ";:.,=}])>"
diff --git a/crates/zed/src/languages/typescript/config.toml b/crates/zed/src/languages/typescript/config.toml
index 4f006b342a..a2b764d9fe 100644
--- a/crates/zed/src/languages/typescript/config.toml
+++ b/crates/zed/src/languages/typescript/config.toml
@@ -1,5 +1,5 @@
 name = "TypeScript"
-path_suffixes = ["ts"]
+path_suffixes = ["ts", "cts", "d.cts", "d.mts", "mts"]
 line_comment = "// "
 autoclose_before = ";:.,=}])>"
 brackets = [