Log in to your 401(k) provider’s website or app
Use your employer’s benefits portal if your plan is linked there
Check your most recent 401(k) statement
Review your account balance, contributions, and investment performance
Look for your current vesting status
Verify your employer match contributions
Contact your plan administrator or HR department if you cannot access your account
Call the 401(k) provider’s customer service number
Make sure your contact information and beneficiary details are up to date