The article outlines the steps to How to create an SO Importer template file
FOLLOW STEPS BELOW:
1. Login to the Sync data utility.
2. Click Sales Orders- >Bulk Importer -> Import Data.
3. Click 'Create Template File'
4. Select the relevant template you would like to create a file for.
5. Click export Multi-Tab File to create a template file including lookup sheets.
6. Click export Simple File to create a template file with only the import sheet.
7. Name and save the file.
NB. For a quick tutorial watch below