maybe i don't have experience with many other mail programs but this is what thunderbird does also, its not unique to outlook. I hate outlook because its slow

maybe i don't have experience with many other mail programs but this is what thunderbird does also, its not unique to outlook. I hate outlook because its slow (UI search and UIwise) and because its stupid enough to think that storing all its mail data in a monolithic file or small number of files is a good idea, hello corruption problems.