List Management

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What is a CSV file

A comma-separated values (CSV) file is used for the digital storage of data structured in a table of lists form, where each associated item (member) in a group is in association with others also separated by the commas of its set...

Text File Format

If you have all your data in one big text file make sure it only has one column of records before importing them into ListWise...

Appending Custom Fields to Cleaned Lists

By default, anything other than the email address is considered a custom field in ListWise. ListWise, currently only supports a maximum of 12 custom fields per list imported for cleaning...

Import A New List for Cleaning

Once logged in to the web application, click on the "Upload List" button on the left hand side menu...

List Categories

Invalids The format of the email address is incorrect. E.g.
No-replies ...


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ListWise is the world's simplest and most accurate email list cleaning solution. ListWise intelligently cleans your list, validating every email, getting rid of duplicates and potential bounces and gives you a clean, fresh list that you can then use for your email marketing efforts.


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