Obsidian recognizes the following file formats right now: 1. Markdown files: `md`; 2. Image files: `png`, `jpg`, `jpeg`, `gif`, `bmp`, `svg`; 3. Audio files: `mp3`, `webm`, `wav`, `m4a`, `ogg`, `3gp`, `flac`; 4. Video files: `mp4`, `webm`, `ogv`, `mov`, `mkv`; 5. PDF files: `pdf`. All these types of files can be [[Embed files|embedded]] in a note. Note that audio and video formats support depend on the availability of codecs on your device.