Yeah, I still use Excel to do my job tracking too. With Onedrive it's nice because it can be accessed by multiple people at the same time and from anywhere. I've played around with different ticketing systems, but never found one that fully suited my needs. I had an Access DB I'd made at one point, but it didn't seem to really help streamline anything and only seemed to make it harder to review all the open cases and prioritize what needed to be done most urgently. So, I'm back at Excel now.
I've been playing around with OSTicket lately, as a way to allow clients to create their own tickets on our site. But, I'm already seeing some limitations I don't like. Seems that there is nothing really well suited to our type of business.