Exchange Server 2019 Sophos Exceptions Template

Thank you for reaching the community forum.

 We have an automatic exclusion added for the said 3rd part product. If Exchange 2019 is installed already on the OS, the Sophos agent's install process will automatically add the exclusions.  If you install our agent first, then Exchange 2019, a simple restart will trigger the automatic exclusions to be added. You may refer to this KB article for a more detailed explanation. 

Is there any documentation as to what is automatically excluded for Exchange 2019?

The documents linked from this page reference the exclusions which will be added. 
- Recommended vendor exclusions for use with Sophos products on Windows

Once the installation completes and your device is fully up and running, you can also view details from Sophos Central to see which Automatic Exclusions were created.

Following up...

After these automatic exclusions were added, none of the processes per Microsoft's documentation were added to be excluded. Some file type exclusions were automatically added that aren't on Microsoft's documentation for Exchange Server 2016/2019 - .js .000 .001 .002 .ci .dir .wid .xml .idx .tmp .bak .wmk .fsm .grxm .wav (looks like it is exclusions for Exchange Server 2010). Why is that the case for both issues? Any help or guidance would be appreciated.