How long do messages stay in my inbox for? Sending messages are stored only for 7 days in your Messenger account. You can easily export the delivery report in an excel file and maintain your own record. Updated on December 17, 2017 Was this article helpful? Yes No Related Articles How to check SMS delivery report? How to check SMS account balance ? I don’t want to renew my account, then what should I do? If I not renew account within 30 days then what happen? Additional Sender id Setup Process How Can I send Custom SMS ?