There are many situations you will need to share your wi-fi password that you’ve previously logged. However, you do not have the ability to remember all passwords. The following guide will help you How to find saved wi-fi password on OSX.

Step 1: Access with admin account

Step 2: Find the keyword “Keychain” in Spotlight (Command + Space)

or Go/Utilities/Keychain Access

Then double click on Keychain Access 

Step 3: In the Keychain Access, finding keyword “Airport network password“. Then select your network that yo would like to lookup password.

Step 4: At the bottom, you’ll see the Show password check box, just check it. System will ask you the administrator’s name and password to allow the change. Enter your admin account details (user and password) then click “OK” or “Allow” button.

Or

Step 5: Get your password

Video guide:

Enjoy!