What can cause data loss in Salesforce?
There are many things that can contribute to the data loss in Salesforce. Which includes : Migrating to number, percent, and money, from other data types. When you change the date and time Migrating to multi-select picklist from any other type but except picklist. Moving from Checkbox, auto number,multi-select picklist to any other types. Changing text area to phone, URL, email, or text.