I have a lot of imported PSTs that sit in a different section than the main Inbox, Sent, and other folders. Desktop lets me search all items with fewer clicks

I have a lot of imported PSTs that sit in a different section than the main Inbox, Sent, and other folders. Desktop lets me search all items with fewer clicks than Web. The web i/f at least at my shop is noticeably slower than Desktop which itself is no speed demon.