Following are the steps to Validate the Email Address or multiple Email Addresses at the same time.
Using SysTools Email Address Checker
Additional Requirement:
If you are unable to install this SysTools application, then before launching it, please make sure to update or install the Microsoft App Installer at your machine.
After, uploading the .csv file. You need to click on Validate Emails or Clear button if you want to reupload.
Here, you can preview the emails validation via Syntax, Domain, MailServer, and Deliverable. Also, Click on Export to CSV button to view the output in CSV format.
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