How To Import CSV File To Data Extention | Peoplewoo Skills

01.10.25 10:35 AM - By Jeetendra

Importing data from CSV files into Data Extensions is a crucial task in Salesforce Marketing Cloud (SFMC). Whether you’re managing subscriber lists or updating user preferences, this guide will walk you through the full process step-by-step.

Why Import CSV to Data Extensions?

  • Bulk update or add subscriber data.
  • Automate recurring imports with FTP or Automation Studio.
  • Keep customer data accurate and up to date.

Watch Our Full Tutorial Video

Step-by-Step: Import CSV File

  1. Log in to Salesforce Marketing Cloud.
  2. Navigate to Subscribers > Data Extensions.
  3. Select or create the target Data Extension.
  4. Click Records > Import.
  5. Upload your CSV file from your local machine.
  6. Map CSV fields to Data Extension fields accurately.
  7. Choose options like Add Only, Update Only, or Add & Update.
  8. Click Import to complete the process.

CSV File Format Tips

  • Ensure headers in CSV match the Data Extension field names.
  • Use UTF-8 encoding to avoid special character issues.
  • Validate the file before uploading to avoid import errors.

Use Case Example

Let’s say you’ve collected leads from a webinar registration. You can export the list from your webinar platform as a CSV, then import it directly into a Data Extension in SFMC. This data can now be used in your Welcome Journey, targeted campaigns, or segmented lists.

Field Mapping Example Table

CSV FieldData Extension FieldData Type
First NameFirstNameText
Email AddressEmailEmailAddress
SubscribedIsSubscribedBoolean

Ready to Level Up?

Subscribe to Peoplewoo Skills and get real-world Salesforce Marketing Cloud tips straight from industry experts.

Frequently Asked Questions

What happens if field mapping fails?
The import will not proceed. You'll receive a validation error. Ensure all fields are correctly named and matched.
Can I automate CSV import in SFMC?
Yes. Use Automation Studio and an SFTP location to schedule recurring imports of CSV data.
What’s the max file size for import?
Salesforce Marketing Cloud supports up to 20MB for browser imports. For larger files, use SFTP and automation.

Additional Resources

📘 More SFMC Resources

🎥 Need advanced training? Watch our Salesforce-focused Udemy course:

👉 Salesforce Marketing Cloud Training

📱 WhatsApp Support: Message Now

Understand your audience. Manage lists smartly. Drive better engagement with Peoplewoo Skills.

Jeetendra