MainBoss Support Center for Users

Welcome to the MainBoss User Support Center. Here you can download the latest versions and updates of MainBoss software. Prior versions of MainBoss and utility programs useful for MainBoss troubleshooting can be found in the Other Updates section.

If you are experiencing technical difficulties with your MainBoss maintenance management software, you can request Online Support by clicking here. Also be sure to check our FAQ section for an answer to your problem. Use the Search feature above and type in keywords of what you are looking for.

Finally, we are always happy to receive suggestions for improving MainBoss software products. If you'd like to offer us your ideas, please send a email to

Download Latest Software Version of MainBoss

Windows desktop users or those that require the MainBoss Service should download from Thinkage.

MainBoss requires the use of a Microsoft SQL Server. Many organization already have a SQL Server that can be used, if not a free version of Microsoft's SQL Express can be used. Windows 10 and 11 users should download SQL Server Express directly from Microsoft. For users of older versions of Windows, SQLServers is a list of SQL server downloads.

All Software Downloads

We strongly recommend that you upgrade to the latest versions of our software.


MainBoss Basic

Frequently Asked Questions

Known Problems

Sending Files to Thinkage

Online Documentation

Whats new in MainBoss

Get a Support Connection

Submit a Request for Support