Overview

You try to import a list of clean contacts from your website and upload it to ACM but get the errors:

• invalid .csv file
• ERROR! CSV file is not valid!

Or try to import to EmailLabs and the file gets uploaded but with an error of having some amount of invalid contacts.

Solution

The most common reason for the error is duplicated 'email' column in the .csv file. The system expects the first column should have the name 'email' (all lowercase) and this name is unique across all file.

Please fix your .csv file so that:

• the first column name is "email"
• file doesn't have several columns with the name "email" or "Email" (remember about case sensitivity)
• make sure that you check all hidden columns too

After you fixed your .csv file upload it again.