Express Logic Becomes First RTOS Provider to Receive Microsoft exFAT Licensing Approval

With this move, Express Logic leads the way in embedded file management

San Diego, CA — August 01, 2016 — Express Logic, Inc., the worldwide leader in royalty-free real-time operating systems (RTOS), today announced that it is licensed to make and distribute the Microsoft Extended File Allocation Table (exFAT) file system. With this exFAT licensing, the first earned by any RTOS provider, Express Logic offers exFAT file support in its popular FileX® file management system for distribution to customers.

Introduced in 2006, the Microsoft exFAT file system is an enhanced alternative to the File Allocation Table (FAT) file system and New Technology File System (NTFS). Microsoft exFAT enables embedded developers to manage larger file sizes than they could with the FAT file system and requires less overhead than NTFS, making it ideally suited for Express Logic’s target markets.

Adoption of exFAT Reflects Growth of Applications Using Large Data Files
Over the past decade, exFAT has become a significant part of applications and devices across the consumer and industrial spectrum, from flat-panel TVs and portable video players to USB pen drives and compact flash and solid-state drives. In particular, exFAT is central to the adoption and growth of products that simultaneously require the management of large data files and low power consumption, such as body cameras used by law enforcement, firefighters, and emergency response personnel; mobile surveillance cameras as found in drones and other unmanned vehicles; and consumer action cameras such as the GoPro.

The demand for such products has grown dramatically with the ability to capture, store, send, and display streaming data across the IoT. The file management systems built into the products must be capable of handling many file types, sizes, and formats while ensuring dependable storage and retrieval.

“The capability to record and store a massive amount of streaming data in various file formats has created a growing demand for a comprehensive, fast, and efficient file management system,” said William E. Lamie, CEO of Express Logic, Inc. “With fault tolerance, optional LevelX™ flash wear leveling, and now support for exFAT, our FileX file management system gives embedded developers the tools they need to meet this demand.”

exFAT Support Helps Make FileX Ideal for IoT
FileX is Express Logic’s advanced, commercial-grade FAT file system designed specifically for deeply embedded, real-time, and IoT applications. FileX supports all FAT file formats, including FAT12, FAT16, FAT32, and, now, exFAT. FileX also offers fault tolerance, and flash wear leveling via an add-on product called LevelX. All this, combined with an extremely small footprint, fast execution, and superior ease of use, makes FileX an ideal choice for the most demanding embedded IoT applications.

Price and Availability
FileX is available now starting at $9,500. LevelX can be used stand-alone or with FileX and is available for $6,000. Developers using FileX with
support for exFAT or FAT32 must obtain the necessary run-time license from Microsoft.

About Express Logic and ThreadX
Headquartered in San Diego, CA, Express Logic, Inc., offers the industry’s most advanced run-time solutions for deeply embedded applications, including the popular ThreadX® RTOS, the high-performance NetX™ and NetX Duo™TCP/IP stacks, the FileX® embedded MS-DOS-compatible file system, the USBX™ Host/Device USB protocol stack, and the GUIX™ embedded graphical user interface development toolkit. Most products from Express Logic include full source-code and have no run-time royalties. For more information about Express Logic solutions, please visit, call 1-888-THREADX, or e-mail

ThreadX, TraceX, and FileX are registered trademarks, and Safety-Critical Certification Pack, NetX, USBX, GUIX, GUIX Studio, LevelX, preemption-threshold, picokernel, and UDP fast path technology are trademarks of Express Logic, Inc. All other brands or product names are the property of their respective holders.

Hughes Communications, Inc.
Janice Hughes, Media Relations
(705) 774-8686

Contact Information

Express Logic, Inc.

11423 West Bernardo Court
San Diego, CA, 92127

tele: 858.613.6640
fax: 858.613.6646

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