Required fields for each record:
Accounts
Account Name
Account CRM ID
Contacts
Account Name or Account CRM ID
Contact CRM ID
Email Address
First Name
Last Name
Opportunities
Account Name or Account CRM ID
Amount
Close Date
Closed
Opportunity CRM ID
Opportunity Name
Owner Email Address
Primary Contact Email Address / Contact CRM ID
Probability
Stage
Won
Campaigns
Campaign CRM ID
Campaign Name
Campaigns and Contacts
Campaign CRM ID
Contact CRM ID
Member First Association Date
Campaigns and Opportunities
Campaign CRM ID
Opportunity CRM ID
Notes and Accounts
Account CRM ID
Create Date
Note Description
Owner Email Address
Notes and Opportunities
Create Date
Note Description
Opportunity CRM ID
Owner Email Address
Notes and Contacts
Contact CRM ID
Create Date
Note Description
Owner Email Address