Screencast Supported File Formats


I am unable to upload my media or I am receiving the following error.

There was an error uploading this file. File has an unsupported extension.

*This error may also indicate your file is too large, both Screencast and Screencast Classic have a 2GB file size limit. 


Screencast is for sharing images and videos that can be shown, visually, with people that can watch directly on the site.

However, if you have supplementary material, such as a handout to go with your lesson, you can either provide a link to it in the description, or use the attachment feature (Screencast Classic only).


The following file formats can be uploaded to Screencast

Default Media

  • MP4
  • PNG
  • JPG and JPEG
  • GIF

Attachments are only available in Screencast Classic :

Attachments - Media

  • MP4
  • PNG
  • JPG and JPEG
  • GIF

Attachments - Document and Text Files

  • CSV
  • PDF
  • RTF
  • TXT
  • XML

Attachments - Microsoft Office Suite

  • DOC
  • DOCX
  • PPT
  • PPTX
  • XLS
  • XLSX
  • XLSB

Unsupported File Formats

Video files using the HEVC/H265 Codec

You can convert some video formats to a MP4 file the uses the H264 Codec. Download Handbrake and watch the tutorial below to learn how to convert the file to MP4.