What Is the Difference Between the Standard Installer and the vstolocal Installer? Aidan Simpson 19 October 2021 12:55 Updated The vstolocal suffix ensures that your solution is loaded from the installation folder, not the ClickOnce cache. Related articles MetaCompliance Outlook Web Phish Reporter – Installation Guide Phish Reporter Technical Pre-requisites Can I Change the Display Name of the Phish Plugin? Phish Reporter Add-on for Gmail Outlook Client: Office 365 Web Add-in Workflow