The file formats you can post in and the size limitations are as follows:
Uploadable File Formats
Image Files
jpg, jpeg, png, gif
Voice Files
mp3, wav, flac
Video Files
mp4, mov, avi
Other
zip, pdf, txt, psd, clipFile Size
The maximum size per file is 300 MB.
* The maximum size for cover images in posts and on the creator page is 30 MB.