ultra-buggy - it won't move conversations or emails to different folders after every update. it also, after every update, won't mark mail as read or unread, randomly crashes, and and more often than not when you hit reply, it send the mail to yourself and not the person you're replying to. it also doesn't matter when you mark emails as spam or phishing, it just keeps letting them through. just use gmail, or whatever your email service is, in a browser. outlook is a complete and total joke.