You may import attachments in bulk and assign them to products via CSV-file import by navigating to Amasty -> Product Attachments -> Mass Attachment Import. To start a new import process, click New Import and follow the next steps:
Step 1. Prepare attachments for import. In this tab, kindly upload all the required attachments to the directory pub/media/amasty/amfile/import/ftp or add all the attachments you'd like to import via Add New File, Add New Link, and Add New Page (for PRO only) buttons:
You can change files' names and labels if needed, assign them to the necessary customer groups, include in order and make them visible/invisible right in the grid:
Step 2. Select Stores For Configuration. Kindly specify store views to which you want to import files.
Step 3. Import Your Attachments. In this tab, CSV-file is generated. Kindly press Generate import file to download an import sample file, import and file IDs will be already listed, additionally, in the sample file you can edit any data, add the needed categories, IDs, or SKUs. Once done, Set Add in 'Import Behaviour' tab and press the ‘Import’ button to import the data.