diff --git a/.ignore b/.ignore
new file mode 100644
index 00000000..4d60b8a3
--- /dev/null
+++ b/.ignore
@@ -0,0 +1,17 @@
+[Oo]bj/
+[Bb]in/
+.nuget/
+_ReSharper.*
+packages/
+artifacts/
+*.user
+*.suo
+*.userprefs
+*DS_Store
+*.sln.ide
+lib/downloads/
+.idea/
+.vs/
+*.bak
+
+icu4c.readme.txt