1. What actually happened or you saw:
Trying to manually tamper with Comodo’s Trusted Vendors List may lead to the accomplishment of a World Record as exemplified here. 
2. What you wanted to happen or see:
Option to IMPORT/EXPORT the Vendor List as .txt Document. It is 2021 already. >:-D
3. Why you think it is desirable:
For convenience. 
4. Any other information:
No.