Verizon App stores the last 90 days' texts, messaging activity details, and spreadsheets for you to go through the messages.
Let's see how to recover old messages from Verizon App:
Go to My Verizon App
Tap on the upper left Menu icon; you can see
Click on settings
Tap on Account and go to Restore Messages which you can view after account settings.
Now, this allows you to restore saved messages to your phone's SD card.