Introducing BAE Systems OneArc (OneArcTM), a new kind of defense tech innovator — fast, open, and collaborative — delivering the synthetic environments that modern defense depends on. We unite decades of proven commercial innovation in simulation, interoperability, and geospatial technology with the scale and trust of BAE Systems, Inc.

The right balance. The right people. The right experience. The right solutions.

Disrupt.

We have redefined U.S. and NATO defense training benchmarks, helped establish NATO interoperability standards, and earned the trust of more than 60 nations and 300 integrators.

Derisk.

We offer more than 30 years of trail-blazing experience in synthetic training, simulations, interoperability, geospatial, data analytics, and AI.

Deliver.

We deliver a comprehensive and growing portfolio of ready-to-go products, services and solutions, as well as custom software that ensure decision advantage and mission success.

Betterzip 5.3 [TESTED ✮]

The update addressed several technical glitches that had been bothering the community:

Not everything went perfectly. The original 5.3 release introduced a that prevented users from creating RAR archives from a single folder. This was quickly patched in version 5.3.2, which also restored the ability to extract split zip files (like .z01 ) and updated actions for Dropzone 4 . Bug Fixes and Stability - MacItBetter - BetterZip 5.3

: Widened columns in the presets table to prevent headers from being cut off and improved the password manager's feedback when locked. 🔄 The "Oops" and the Follow-up (v5.3.2)

News & Use Cases

Questions?

This is the start of a new era. This is OneArc. Ask away.

Join Us

Intrigued by something new? Got skills and a desire to make a difference? BetterZip 5.3

Upcoming Events

BetterZip 5.3
FIDAE 2026

OneArc will be attending FIDAE 2026, where our Business Development Director for EMEA Craig Turner will be ready to discuss how our simulation products and Solutions ... Read More

Apr 07, 2026

Santiago International Airport, Santiago, Chile

BetterZip 5.3
Space Symposium 2026

OneArc will be attending Space Symposium, where our team of experts will be ready to discuss how our simulation products and Solutions can support your evolving train... Read More

Apr 13, 2026

The Broadmoor, Colorado Springs, CO USA

BetterZip 5.3
ITEC 2026

OneArc will be attending ITEC 2026, where our team of experts will be ready to discuss how our simulation products and Solutions can support your evolving training re... Read More

Apr 14, 2026

Excel Center, London, UK

The update addressed several technical glitches that had been bothering the community:

Not everything went perfectly. The original 5.3 release introduced a that prevented users from creating RAR archives from a single folder. This was quickly patched in version 5.3.2, which also restored the ability to extract split zip files (like .z01 ) and updated actions for Dropzone 4 . Bug Fixes and Stability - MacItBetter - BetterZip 5.3

: Widened columns in the presets table to prevent headers from being cut off and improved the password manager's feedback when locked. 🔄 The "Oops" and the Follow-up (v5.3.2)