not a pleasant issue in autocad

[LunaMalara]

I have numerous .dwg files on mine working computer in AutoCAD 2016. But just since today one of it hasn't simply opened. I have totally checked others, they have properly opened.

[Stephen]

Hello!

Welcome to the Canon USA Forums! Canon USA doesn't support this software. We suggest reaching out to the software manufacturer for support with opening their files. 

If you're having problems using Canon software, technical support is available weekdays from 10am to 10pm (Eastern) at 1-800-828-4040 or 1-800-OK-CANON. 

If you're outside of the US, please click HERE for support for Canon products and software in your country/region.