diff --git a/pages/windows/assoc.md b/pages/windows/assoc.md
new file mode 100644
index 0000000000..36af43b713
--- /dev/null
+++ b/pages/windows/assoc.md
@@ -0,0 +1,15 @@
+# assoc
+
+> Display or modify file extension associations.
+
+- Display all associated filetypes:
+
+`assoc`
+
+- Display the associated filetype for a specific extension:
+
+`assoc {{.txt}}`
+
+- Modify the associated filetype for a specific extension:
+
+`assoc {{.txt}}={{txtfile}}`