Any device that can access the Internet can be used to log into Paychex eServices. A Mobile App called Paychex Flex is designed for use on the iPhone, Android-powered smartphone, iPad or Android-powered tablet.
Logging on to Paychex eServices requires having the appropriate company ID, username and password on hand. When logging in to Paychex eServices using an Internet browser, the browser must be up to date to insure uninterrupted access. Using the latest version of a browser is also recommended because older versions may lead to security vulnerabilities. The My Computer page of the Paychex webside lets users compare their browser settings to Paychex's minimum requirements.