Costco 850 Converter • Updated October 2025

Costco 850 Purchase Order
to CSV Converter

Convert Costco 850 (Purchase Order) EDI files to CSV instantly. Process Costco Purchase Order data for import into your systems, reconciliation, and compliance verification. PlainEDI extracts all 850 segments into Excel-ready CSV format.

Convert Costco 850 Free

No signup required

TL;DR

Convert Costco 850 (Purchase Order) EDI files to CSV instantly. PlainEDI converts Costco 850 files to CSV in seconds—upload your EDI file, preview the first 10 rows free, then export the full CSV for $9 (single file) or $3.90 per file (10-pack). No EDI software required.

Why Convert Costco 850 to CSV?

Import Costco 850 data into your ERP or management system

Verify Purchase Order accuracy before sending to Costco

Reconcile 850 data against other EDI transactions

Track Costco Purchase Order trends and volumes

Audit 850 files for Costco compliance requirements

Costco 850 Tips & Best Practices

Key insights for working with Costco Purchase Order files:

Costco Compliance: Follow Costco's EDI specifications for 850 files

Data Accuracy: Verify all 850 segments match Costco requirements

Timing: Send 850 files according to Costco's expected timelines

Testing: Complete Costco EDI testing before production 850 transmissions

Support: Contact Costco supplier support for 850 questions or issues

Frequently Asked Questions

What 850 data does Costco require?

Costco requires specific 850 (Purchase Order) segments and elements according to their EDI specification. Convert your 850 files to CSV with PlainEDI to verify all required data is present and formatted correctly before sending to Costco.

How do I ensure my Costco 850 files are correct?

Upload your 850 file to PlainEDI for instant validation and CSV preview. Review the extracted data to confirm accuracy, check for missing required fields, and verify compliance with Costco's specifications. Fix any errors before transmitting to Costco.