The world is using MS Word, Excel and PowerPoint. Its very unlikely that Microsoft will be acquired by bigger company than itself. We will never have to worry about our files. Today, most of the companies are going into mergers and acquisitions. If bigger company acquires Atlassian, the subscription price might be increased and small or medium enterprise won't be able to afford the new price. In that case, how do we recover our entire files and logs if discontinued the subscription? How do we recover our history of JIRA without even continuing its subscription?