Read more about file formats and size limits for Uploads:

The upload file field supports these four file types:
•    Videos
•    Images
•    Audio
•    Documents 

 

Formats supported for upload file field:
•    Video:.3gp,.avi,.divx,.flv,.m1v,.m2ts,.m4v,.mkv,.mov,.mp4,.mpe,.mpeg,.mpg,.mxf,.ogv,.vob.webm,.wmv,.xvid
•    Images: .bmp,.gif,.heic,.heif,.jfi,.jfif,.jpe,.jpeg,.jpg,.png,.tif,.tiff,.webp
•    Audio: .aac,.aif,.aiff,.flac,.m4a,.mp3,.wav,.wma
  Documents:.ai,.cdr,.csv,.doc,.docb,.docx,.dot,.dotx,.dwg,.eps,.epub,.fla,.gpx,.ical,.icalendar,.ics,.ifb,.indd,.ipynb,.key,.kml,.kmz,.mobi,.mtf,.mtx,.numbers,.odg,.odp,.ods,.odt,.otp,.ots,.ott,.oxps,.pages,.pdf,.pdn,.pkg,.pot,.potx,.pps,.ppsx,.ppt,.pptx,.psd,.pub,.rtf,.sldx,.txt,.vcf,.xcf,.xls,.xlsx,.xlt,.xltx,.xlw,.xps
 

File size limits:
•    Video: 4GB (15 GB per video for Wix Videos)
•    Images: 25 MB and 15 MB for GIFs
•    Audio: 50MB (360 MB for Wix Music)
•    Documents: 1000 MB