But that is exactly how corporations work. When I worked at Microsoft more than 10 years ago, they set everyone's exchange storage to a small amount and they au

But that is exactly how corporations work. When I worked at Microsoft more than 10 years ago, they set everyone's exchange storage to a small amount and they auto-deleted old email, but the storage per person was too small, with lots of messages with embedded docs, etc. So every developer was wasting time deleting messages, trying to get under the storage limit so you could send and receive new email. And they were auto-deleting chats after a time. I was in some random group of people that were supposed to preserve material for a lawsuit, but they wouldn't give me more storage, I think what I did was store appropriate emails locally on my desk top. In later jobs we were using slack and they auto-deleted them after a week or two. We were allowed to create persistent slack channels that were private. This whole area is a waste of time, where the lawyers reduced the legal risk of the company from lawsuits, they transferred the cost to their dev teams wasting time managing this. At this company "our developers are our most important resource" but we weren't that important. I told my manager that all the devs were wasting time with this, probably a few hours a week figuring out if they should "preserve something" to remember decisions that were made. He agree it was a huge waste of time.