https://help.salesforce.com/articleView?id=000003589

The maximum length for the various object name fields are as follows:

  • “Account Name” field is 255
  • “Contact First Name” field is 40
  • “Contact Last Name” field is 80
  • “Opportunity Name” field is 120
  • “Lead First Name” field is 40
  • “Lead Last Name” field is 80
  • “Campaign Name” field is 80
  • “Contract Name” field is 80
  • “Solution Name/ Solution Title” is 255 
  • “Price Book Name” is 255
  • “Macro Name” field is 255
  • “Group Name” field is 40
  • Custom Object Name field is 80

Note: The limit for the Custom Object Name applies if it does not use Auto Number as the Data Type.


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