diff --git a/doc/2-interface/formats.md b/doc/2-interface/formats.md
new file mode 100644
index 000000000..23dfe576e
--- /dev/null
+++ b/doc/2-interface/formats.md
@@ -0,0 +1,53 @@
+# file formats
+
+this is a list of file formats that Furnace supports.
+
+## song/module
+
+- Furnace song (.fur)
+- import:
+  - DefleMask module (.dmf)
+  - FamiTracker module (.ftm)
+  - Amiga tracker module (.mod)
+  - Scream Tracker 3 module (.s3m)
+  - FastTracker 2 module (.xm)
+  - Impulse Tracker module (.it)
+  - Future Composer module (.fc13/.fc14/.fc/.smod)
+- export:
+  - DefleMask module (.dmf)
+  - VGM (.vgm)
+  - ZSound Music (.zsm)
+
+## instrument
+
+- load/save:
+  - Furnace instrument (.fui)
+  - DefleMask preset/patch (.dmp)
+- load only:
+  - TFM Music Maker instrument (.tfi)
+  - VGM Music Maker instrument (.vgi)
+  - Scream Tracker 3 instrument (.s3i)
+  - SoundBlaster instrument (.sbi)
+  - Wohlstand OPL instrument (.opli)
+  - Wohlstand OPN instrument (.opni)
+  - Gens KMod patch dump (.y12)
+  - BNK file (AdLib) (.bnk)
+  - FF preset bank (.ff)
+  - 2612edit GYB preset bank (.gyb)
+  - VOPM preset bank (.opm)
+  - Wohlstand WOPL bank (.wopl)
+  - Wohlstand WOPN bank (.wopn)
+
+## wavetable
+
+- load/save:
+  - Furnace wavetable (.fuw)
+  - DefleMask wavetable (.dmw)
+  - raw wavetable data
+
+## sample
+
+- load/save
+  - Wave file (.wav)
+  - raw sample data
+- load only:
diff --git a/doc/2-interface/menu-bar.md b/doc/2-interface/menu-bar.md
index 77aa2882c..ec3c6b1bf 100644
--- a/doc/2-interface/menu-bar.md
+++ b/doc/2-interface/menu-bar.md
@@ -8,6 +8,7 @@ items in _italic_ don't appear in basic mode and are only available in advanced
 
 - **new...**: creates a new song.
 - **open...**: opens the file picker, allowing you to select a song to open.
+  - see [file formats](formats.md) for a list of formats Furnace is able to open.
 - **open recent**: contains a list of the songs you've opened before.
   - **clear history**: erases the file history.