Uploading a list

What file formats can I upload?
The CORE email validation service accepts .CSV and .TXT  file types. Please make sure your file is in one of our accepted formats.  When you upload a ...
Thu, 5 Sep, 2019 at 2:27 PM
How to create a CSV file
Microsoft Excel Open the desired file and follow the steps below. Step 1. Click 'File', then the 'Save As' option and choose...
Fri, 23 Aug, 2019 at 10:58 AM
CSVs made easy
Simple A .csv file stands for comma-separated values file. This allows data to be saved in a table structured format. CSVs can look just like a standard...
Mon, 14 Oct, 2019 at 10:34 AM
Uploading your file
Login to your account and on the Dashboard click on the "Upload File" button. Drag and drop your file into the upload area, or cl...
Mon, 11 Nov, 2019 at 12:06 PM
Using the copy and paste box to upload files
From your dashboard click on the Paste Emails button. You should see the "Paste Email" box. Copy your list into the paste box ...
Wed, 20 Jun, 2018 at 11:49 AM
How to find duplicates
This Article teaches you how to find duplicates in Excel. Step 1: Select the range of your Excel sheet, in this example we will be using the range of A1...
Fri, 23 Aug, 2019 at 11:08 AM
How long will it take?
Verifying email addresses is a complex, time intensive process whereby our systems interact with external mail systems. Whilst we have control over our o...
Mon, 11 Nov, 2019 at 11:17 AM
CORE error messages explained
Error Message Details  Solution Error: The file contains more rows than is permitted.  The system has a maximum row limit of 500,000 and your f...
Mon, 11 Nov, 2019 at 11:17 AM
Domain scanning
Domain scanning is a method to find the correct email of someone. When you know the name of someone you wish to contact "John Doe" and you know th...
Mon, 11 Nov, 2019 at 11:17 AM