File replaced by smaller sized file

[Ryan Delfino]

Hi There,

I am working locally on my PC for a diagram, sized at 20MB.

After rebooting my PC, the file now became 2MB and I got below message when opening the file:

Please help advice how to repair this, as this is very crucial in our project.

Regards,

Ryan

[draw.io Q&A]

Is there a .bkp file in that directory of the original size?