Hi @kathl1 ,
Thanks for your posts and for trusting in our plugins.
When I use the template for the products no data is transferred after importing again.
Well, I don't know if you're filtering any data when exporting, but if not, each variation is exported as a row, so it's in this row where you have to enter the data you want to import. The best way to locate a variation in the file is by its ID. Please, take into account that you're updating and not inserting, so you'll need to choose the proper importing option (please read this first if you haven't already)
Although the default templates will work when importing, we recommend using custom importing templates with only the fields you want to update, because this way you'll be able to edit your files easily.
Please, take into account that you need to enter the supplier's ID, the name won't work.
As far as I know, only one image can be linked to a variation. You'll need to use the meta field '_thumbnail_id'. If the image already exists in the media library, the attachment's ID must be set as the value, if it doesn't exist, you can use an URL (please, note that the URL needs to be accessible from your server).
And would love to filter the export on product categories.
Please, enter here and search the FILTERING DATA section to get info about filtering.
Hope this helps,
José Andrés