How to map Lead fields with other modules when converting a Lead to an Account

1. 1. Go to Setup> Customization > Modules and Fields.
   2. From the List of modules, select the Leads
   3. Click the Module Settingsicon > Lead Conversion Mapping.
   4. In the Map Fields for Leads Conversion page, the fields are listed under the Lead Fields Fields under corresponding modules (Accounts, Contacts and Deals) are also present.

1. Map the lead fields to the corresponding fields of Accounts, Contacts and Potentials (Deals).
2. Click Save.