Is it possible to export the vendor list and then reimport it after making changes?
Yes, it is possible. You can reimport the vendor list after exporting. This will result to duplicate vendors and the history of bill pay will be affected. To get rid of this, you need to merge the accounts. Note that the merging of the vendor's accounts is irreversible. After the process, you can’t access bill pay. So, it is recommended that create a backup copy of the company file and save the local copies of bill pay.