update mautic without loss of previous data

Development
1

Once i updated the mautic but after updating changes i have made get lost .how can we update mautic without lossing data/contacts/forms/etc.

2

Once i updated the mautic but after updating changes i have made get lost .how can we update mautic without lossing data/contacts/forms/etc.

3

You don’t lost data each time you made a update… But is recommend to do a backup before.