Hello,
I accidently clicked on the “update” button on my project and lost several days of work,
so I contact you in the hope that you keep a backup of all projects.
My project was on this account and was in the folder : “Gamma_Sup”, containing two subfolders : “Headers” and “Sources”.
It occurred on 10/08/21 at approximately 16:20.
Thank you in advance.
Hello,
as written here
If you have a problem with your Mbed account or workspace please email accounts@mbed.com.
Try it 
BR, Jan