I subscribe to Adobe Premiere, and mostly do video work. However with it I get a free 'Photoshop Express', kindof a simple one click instagram filters type application. However, it doesn't seem to open ARW files shot from a Sony camera?
Have there been compatability issues with this? I get an Error popup saying file format unsupported.
A raw file from a camera needs to be processed in a dedicated raw processor like Adobe Camera Raw (ACR). It can't be opened directly.
ACR is a plugin for Photoshop and After Effects, included in the installation. If you have After Effects you can probably use that. If you use Bridge you can also launch ACR from there, provided you also have a fully licensed AE or PS installed.