The best extension depends on who supplies the file and where the recipient should find it. A merchant delivering contracts to selected accounts needs a customer library. A catalog team publishing manuals needs product attachments. A buyer uploading artwork during checkout needs order attachments. Products in all three groups use the word attachment, but they solve different jobs.
Short answer: SoftwareSilo is the broadest fit here for merchant-managed document delivery in Magento customer accounts. Magezon Customer Attachments is a close alternative for customer-specific files. Webkul is centered on product and category attachments. Swissup is meant for buyer uploads at checkout and on orders.
Comparison
| Extension | Main workflow | Notable published capabilities | Best fit |
|---|---|---|---|
| SoftwareSilo Customer Documents | Merchant delivers files through My Documents, products, and sales-document views | Customer and group access, public files, passwords, validity, download limits, categories, tags, ZIP, reports, order links; separate API, GraphQL, CSV, and Hyva packages | B2B stores that need one controlled delivery layer across account, catalog, and order contexts |
| Magezon Customer Attachments | Merchant assigns files to customers | Separate account page, email notice, validity, download limits, reports, API, online links | Stores wanting a focused customer-attachment module |
| Webkul Product Attachments | Merchant publishes product and category files | Product and category assignment, customer-group restriction, icons, order and email visibility, reports, GraphQL | Catalogs where manuals and certificates belong primarily to products |
| Swissup Order Attachments | Customer uploads files to an order | Checkout and order-view upload, guest and customer views, protected generated links, email integration, notifications | Orders that require artwork, prescriptions, specifications, or other buyer-supplied files |
Feature lists and compatibility change. Confirm the current Magento edition, theme support, license, and package boundaries before choosing.
Where SoftwareSilo fits
SoftwareSilo begins with the customer account. An administrator uploads a document, assigns customers or groups, and chooses whether it is public, time-limited, password-protected, or download-limited. Categories and tags keep larger libraries usable. Eligible documents may also appear on product pages or beside orders, invoices, shipments, and credit memos.
The integration functions are deliberately split. REST/SOAP, GraphQL, Magento CSV import/export, and Hyva compatibility are separate packages. That matters when comparing prices because the base license is not the complete headless or ERP package.
How the alternatives differ
Magezon Customer Attachments overlaps most closely. Its published page describes customer assignments, a separate attachment page, email notices, date windows, download limits, reporting, online links, and API support. SoftwareSilo publishes more account-organization and context features, including customer groups, categories, tags, product assignment, order links, passwords, public documents, and ZIP.
Webkul Product Attachments solves a catalog problem. It puts attachments on products and categories, supports customer-group preview restrictions, adds file-type icons, shows product attachments in order history and email, and publishes GraphQL support. Choose that approach when the product is the primary owner of the file.
Swissup Order Attachments runs in the opposite direction: the customer supplies the file. It supports uploads during checkout and from order views, including guest order views, with private generated links and email-template integration. This is useful for print files or purchase instructions, but it is not a general account document library.
Questions to settle before buying
- Who supplies the document, the merchant or the buyer?
- Does access belong to a customer, customer group, product, order, or several of them?
- Are passwords, validity dates, download limits, and reports required?
- Must the extension support public files or external URLs?
- Are REST/SOAP, GraphQL, CSV import, or Hyva required, and are they included?
- Should customers download several files as one ZIP?
Sources
- SoftwareSilo Customer Documents
- Magezon Customer Attachments
- Webkul Product Attachments
- Swissup Order Attachments documentation
Last reviewed: August 9, 2026.