To install file drop please go to the Google WorkSpace listing and click install.
Click continue and select the account for which you want to install the add-on.
On the next screen click Allow accept the permissions to install the add-on.
It takes a few seconds and you will see the success message. The FileDrop add-on is installed.
To start it please go to your Sheets file, click on Extensions >> FileDrop >> Start FileDrop.
If you don’t see the Start link please refresh the browser.
The add-on will open as a sidebar in the right side and you are ready to insert file in your cells.
You can click the are to open the file finder or drag and drop files here. The files will start uploading automatically in your drive.