I cannot directly open, read, or convert .vce files for you.
The most reliable way to open, edit, and take VCE exams is by using the official from Avanset. It is the industry standard for this file type. open vce file
Note that some VCE files are used by Trimble Business Center for engineering projects or by Yamaha for voice data in instruments; these require their respective proprietary software to open. I cannot directly open, read, or convert