Invoice Simple gives you the ability to export a CSV spreadsheet of your entire invoice history. You can view and edit this spreadsheet in Microsoft Excel, Apple Numbers or any other program capable of opening a .CSV file.
Exporting a spreadsheet of your invoices in the Mobile App
You’ll want to start by going to Settings by hitting the gear icon in the upper left.
Next, hit Export as Spreadsheet under the Invoice header
This will produce a link for you to download the spreadsheet. You can either send it to an email address of your choice or copy and paste the link in a browser. Once downloaded, you can open, view and edit the spreadsheet. Here’s an example of how the spreadsheet looks.