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Open Financial Exchange (OFX) is a data-stream format for exchanging financial information that evolved from Microsoft 's Open Financial Connectivity (OFC) and Intuit 's Open Exchange file formats.

Open Financial Exchange is a broad-based framework for exchanging financial data and instructions between customers and their financial institutions. It allows institutions to connect directly to their customers without requiring an intermediary.

OFX has been the dominant direct API for banks to provide data to financial applications since 1997. It is actively deployed at over 7,000 financial institutions, and the remaining institutions have easy access to certified OFX servers via all major technology providers and systems integrators.

Some financial institutions make you use their web application to generate OFX (or QFX) files that you can download via your browser. If they give you a choice, prefer “OFX” or “Microsoft Money” format over “QFX” or “Quicken”.

OFX enables efficient transfer of data between the aggregation service providers and Financial Institutions. In addition to the previous authentication mechanisms, OFX 2.2 onwards provides a tokenized authentication solution to improve upon the existing protocol.

The Open Financial Exchange standard is a standard for transferring information between financial institutions, and between financial institutions and their users. It specifies a messaging protocal and uses XML-based documents to transfer data around.

2025年1月19日 · Learn how to efficiently handle OFX files with insights on opening, converting, and troubleshooting for seamless financial data management. OFX files are essential in financial data management, serving as a standard format for …

2022年1月13日 · ofxtools requests, consumes and produces both OFXv1 (SGML) and OFXv2 (XML) formats. It converts serialized markup to/from native Python objects of the appropriate data type, while preserving structure. It also handles Quicken’s QFX format, although it ignores Intuit’s proprietary extension tags.

2023年2月25日 · Open Financial Exchange (OFX) is a data-stream format for exchanging financial information that evolved from Microsoft's Open Financial Connectivity (OFC) and Intuit's Open Exchange file formats. OFX was first released on 14 February 1997 and allows for bank- and application-specific extensions.