For manually created closed captions: click on the "Settings" button, select "Subtitles/CC" and then select "English". When the CC button is underlined in red, the closed captions should appear.
In this video:
-How to create automatic closed captions for a video uploaded into Canvas studio
-How to manually edit closed captions for a video uploaded into Canvas studio
DISCLAIMER: You can only put captions on a video you uploaded from your computer. You cannot put captions (through Canvas) on a Youtube Video.
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