Go to Shop Settings/Redirects and then choose Export. You can use the exporter to download all your redirects in one file and edit them easier and faster. By clicking on the “Export” button you will download a CSV file that you can open in Google Sheets. 
When you are ready editing/adding redirects, save the changes and download the file again as comma-separated values. Then, you are ready to import the file back to your shop admin.
NB! Do not delete or add columns from/to your exported CSV file
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