To use some of Seesaw's tools, like the video upload tool, you must allow third-party cookies and site data in your browser settings.
- On your computer, open Chrome.
- Go into Preferences or click on More:
- Go into Settings.
- Click on Show advanced settings.
- In the "Privacy" section, click on Content settings.
- Uncheck the "Block third-party cookies and site data" option.
- Refresh your browser window to reload your new preferences .
Here's an FAQ from Google about this issue.