Mirroring - Open Mirroring: Support for Non-Sequential Files

Data Factory · Public preview · Shipped

Data Factory Public preview Shipped
Last Modified: May 07, 2026 Release Date: March 31, 2026

Description

Today in Open Mirroring we require users to upload their parquet and csv files in a sequence (000001.csv, 000002.csv, etc). We will add support for non-sequential files so customers have more flexibility when using the Open Mirroring API.

📰 Related Blog Article

Mirroring: Uploading your CSVs is now simpler than ever before!
🔗 blog.fabric.microsoft.com

Change History

  1. 2026-04-09
    Release Status Planned -> Shipped
  2. 2025-11-18
    Release Date 2025-09-29 -> 2026-03-31
  3. 2025-08-28
    Roadmap Item Added
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