Simply go to your Settings >> My Account and click on "change account password"

Please note, if you are a Google Apps user, you do not have a password with Nimble. 

If you have any questions, please send us an email at care@nimble.com or join us for our Q&As Monday - Friday from 9AM - 9:30AM PT. Register here:http://www.nimble.com/company/webinars/ 

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