Our most popular platform, Paychex Flex® is an all-in-one solution for all things HR — payroll, time and attendance, benefits, and more. Login for Administrators & Employees.

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Learn how to access Paychex Flex®, retrieve your username, reset your password or pin, and how to modify login credentials from your profile.

Here you'll find answers to common questions about logging into and accessing information in Paychex Flex® and making adjustments to your employer-sponsored Paychex 401 (k) retirement plan.

Enhanced login features to protect against identity theft. Your user ID (user name), password, picture, and pin code represent the keys you use to access your account information on our system.