"Enabling Tote" – To keep handy, right-click and select ‘pin to shelf’ or drag it to your shelf until it shows as an icon. From the Files app, right click or drag a file to Tote to pin it.
What is Tote? – Tote is a holding area on your Chromebook shelf that keeps your important files right at your fingertips. Google has provided updates to Tote like access to files you've scanned, diagnostic reports, saved PDFs and more.