Canvas - Known Issue - Plain Text Files Not Displaying Correctly in Preview or SpeedGrader
Student submissions of plain text files are showing up incorrectly in Canvas preview mode and SpeedGrader.
This issue affects student assignments that are submitted as .txt files in Canvas. These plain text submissions sometimes display incorrectly in preview mode and SpeedGrader.
For more information, visit the Canvas Community: https://community.canvaslms.com/message/101218-file-preview-showing-incorrect-file-contents.
Instructure is aware of this ongoing issue.
Download .txt file submissions. Do not use SpeedGrader.