Modernize Your ACUCOBOL Applications

COBOL development and modernization solutions designed for ACUCOBOL applications.


The extend™ portfolio enables developers to build and deploy ACUCOBOL® applications across desktop, web and mobile platforms using AcuBench, the COBOL Virtual Machine and a full suite of application modernization solutions.

For ISVs or corporations, the latest version of extend offers even greater platform support, new performance optimizations, Unicode internationalization support and a new capability for instant UI transformation for web and mobile access—AcuToWeb.

Whether you're maintaining mission critical applications or moving into new markets, the latest version of extend offers new solutions to keep you up-to-date and ready for innovation.

  • Deliver ACUCOBOL application access to any web browser or mobile device
  • Instantly transform ACUCOBOL-GT® and character applications-without code change
  • Improve developer productivity using efficient and highly integrated tools
  • Easily deploy ACUCOBOL applications to any platform: Build once, run everywhere
  • Enter new markets faster with Unicode internationalization support
Deliver application access—anywhere
Introducing extend & AcuToWeb 10.2
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An integrated, efficient toolset

Quickly develop and modernize ACUCOBOL applications with ease using AcuBench, ACUCOBOL-GT or AcuToWeb solutions. Seamlessly work with data using ACUSQL, ACU4GL and ACUXDBC solutions. Powerful tools designed for rapid application delivery.

A better user experience

Instantly transform your ACUCOBOL-GT and character applications for web or mobile access. Take your ACU apps into the future with AcuToWeb and deliver a better end user experience—without code change.

A portable deployment architecture

Target new platforms with ease using the COBOL Virtual Machine and deployment environment. Deploy ACU applications to Windows, UNIX and Linux platforms.

Move to new markets

Launch new global offerings, faster with Unicode internationalization support. Target new customers and new markets with speed and confidence.

Family Products


AcuToWeb is a new UI modernization solution designed for ACUCOBOL applications. Instantly transform your ACUCOBOL-GT or character applications and deliver a consistent user experience across desktop, web, tablet and smartphone devices.
Data Sheet ›


ACUCOBOL-GT is an advanced COBOL development system for extending and modernizing business-critical COBOL applications. This COBOL compiler and deployment environment enables efficient application maintenance and delivers new modernization capabilities.
Data Sheet ›


A productive Windows-based development platform for the ACUCOBOL-GT developer providing a graphical interface to all ACUCOBOL development tools.
Data Sheet ›


AcuConnect® enables developers to distribute application workload across multiple servers. It also enables applications to support client/server architectures by allowing a server-based ACUCOBOL-GT application to display a user interface on a remote Windows desktop.
Data Sheet ›


A distributed file server providing fast, secure access to the ACUCOBOL Vision file system in addition to sequential, relative, and object files on remote server machines. AcuServer® delivers a multipoint solution for flexible data file access.
Data Sheet ›


By using ACU4GL® ACUCOBOL-GT applications currently using traditional COBOL file access can be rapidly transformed to support relational databases. ACU4GL's transparent RDBMS support means organizations can quickly benefit from relational database modernization.
Data Sheet ›


ACUXDBC™ makes COBOL data files directly accessible by ODBC or JDBC enabled tools such as Microsoft Excel or Java applications. ACUXDBC enables ACUCOBOL-GT customers to provide end users with the ability to create custom reports or perform data analysis without the need for application changes.
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Using ACUSQL®, application developers can use embedded SQL statements within ACUCOBOL-GT applications to provide direct access to relational database management systems.
Data Sheet ›

Xcentrisity Business Information Server for extend

Xcentrisity is a web server environment that enables ACUCOBOL-GT applications to be accessed as web services.

Developers can use existing COBOL applications to build a Service Oriented Architecture (SOA), which enables their applications to be accessed by web service clients.

Data Sheet ›
Success Stories

Chyun Huei Health Tech Inc.

ACUCOBOL-GT helps consolidate Taiwan’s Health Department applications and deliver greater IT efficiency.

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ACUCOBOL-GT delivers modern, future proof business application for continued success.

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AcuToWeb delivers familiar functionality and mobile accessibility in a modern interface, opening up new market opportunities.

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extend has delivered numerous functional improvements for us—especially in the areas of application debugging, compilation, bug tracking and update options. We are delighted with the new ACUCOBOL-GT development capabilities within Micro Focus extend."

Oliver Westfehling Chief Executive Rainer Obermeit Planning and Data Technology Read the success story