Older Versions

IMPORTANT UPDATE: Infor released a more modern and more robust version of SunSystems called SunSystems Cloud in the last quarter of 2022. This is now the latest version of the software. It’s a multi-tenant cloud, true SaaS platform.

Here’s a history of all the versions of SunSystems (formerly Sun Accounts) from inception:

1980: Sun Accounts is developed in the UK by Systems Union. This was a time when Sun was smaller and not yet a financial powerhouse but was gaining momentum rapidly.


1992: A major turning point in the history of Sun is the launch of Version 4, introducing support for relational database management systems (RDBMS).


1995: Version 4.2 incorporates the Microsoft Windows graphical user interface (GUI).


1999: Sun Accounts reaches Version 4.2.6, which is adopted by the vast majority of customers.


2000: Sun Accounts Version 5.1 is released, bringing with it a modern user interface and the introduction of many long-wished-for features.


2004: Systems Union brings out Version 5.2.1, which begins to outsell the long-favoured Version 4 for new customers.


2006: Infor, after acquiring Sun Accounts from Systems Union Group, announces its vision for Sun Accounts Version 6 to incorporate a web interface.


2007-2009: Versions 5.3 and 5.4.1 continue the development of Sun Accounts software, adding functionality, refreshing the user interface and ensuring the underlying architecture is kept updated in line with Microsoft releases.


2011: Version 6 (6.1.1) is released in 2011, featuring the long-awaited web user interface whilst retaining support for the traditional desktop client.


2014: Version 6.2.1 enhances the much-loved analysis structure, allowing 35 pieces of analysis to be tagged on each transaction’s analysis dimension. For example, on a cost centre, users can now attribute a manager, location, budget, relevant dates or another category, enabling further reporting granularity.


2019: Version 6.4 of Sun Accounts is released, bringing with it support for automatic intercompany postings and a web-first development strategy. This enables true cloud deployment with full access available over the web, including support for reporting through Q&A11.3.

Features and Enhancements in SunSystems 6.4

Here are some features and enhancements of Sun 6.4:

Data customisation

With the new SunSystems 6.4, there is a lot more scope for personalising and customising the system.

If you’re looking for a transaction entry that is more accurate and easier to use, for example, then this is a big advantage, as entry forms can be individually tailored with the customisation of characteristics and attributes.

A true web client

SunSystems 6.4 removes the past limitation to a “thick or rich” client, which required that it was either installed onto the computer itself or delivered via Citrix/Terminal Services.

This is no longer necessary because, with SunSystems 6.4, you have a true web client. This means that users can connect to the system from anywhere, using any device with a web browser, including tablets and smartphones.

Longer data fields

Field space was an issue for many with SunSystems 4 and 5.4.

There is now much more flexibility when it comes to data fields with additional fields added, more space in each field as well as space for long notes.

More currency options

There is a big difference between the currency options in SunSystems 5.4 and SunSystems 6.4.

The earlier system is designed around limited transaction currency/base currency, which could be problematic for those seeking more currency options for reporting.

SunSystems 6.4 is a different matter and much more versatile with five currencies for each transaction, which can be configured in a number of different ways.

SunSystems Reporting Services

The process of authoring and editing reports is much easier in SunSystems 6.4 thanks to SunSystems Reporting Services.

This is an upgrade from the Report Designer in older versions, which many, other than the most skilled users, tended to struggle with.

More efficient processes

SunSystems 6.4 is generally more intuitive and designed to remove unnecessary steps and redundancies from a number of key processes.

For example, the payment list for payment runs can be saved as a batch and brought back later to ensure nothing changes from when the payment run was initially running.

Multi-session capability

When using older versions of Sun, the system restricts you to doing one single task at a time but that limit is lifted with SunSystems 6.4.

With the upgrade, it’s possible to have up to nine sessions open at the same time, which can help to improve experience and convenience and also boost productivity.

Integration with other systems

SunSystems 6.4 has been designed much more with collaboration in mind than its predecessor.

This makes it much easier to enable collaboration, which can save time and resources and boost performance as a result.

User experience and usability

The entire system structure and operation have been considerably modified to make using the system as painless as possible.

Interface navigation has become more user-friendly and logical, for example. In addition, the way in which SunSystems 6.4 presents information is now more consistent and understandable.

Database performance improvements 

SunSystems v6.4 is a 64-bit application currently, which has resulted in a significant increase in system performance.

Microsoft supportability and updates

Clients on SunSystems 5 should upgrade to SunSystems 6.4 or later to ensure that they are running operating systems and SQL Server versions with the most up-to-date security patches from Microsoft.

Procurement enhancement 

To make the procurement cycle easier, new features have been added to facilitate it in a company.

Approvers may now have a focused perspective on pending orders and invoices that are awaiting approval, allowing them to be approved/rejected with a single click.

NOTE: Although SunSystems Cloud is the latest version of the software, Infor SunSystems is still available to implement on-premises. Please contact us for details of on-premises pricing.