E-mail was as soon as seen because the subsequent frontier of communication that’s quick, accessible, and free to make use of. However now that inboxes are being flooded with a whole bunch of emails each day, many individuals discover answering them to be an overwhelming chore. Not Mark Cuban.
The billionaire entrepreneur spends all day dipping out and in of his inbox—he even likes sifting by a whole bunch of emails a day, greater than in-person conferences.
“I obtain round 700 emails a day and use three telephones (two Android and one iPhone) to handle every thing,” Cuban wrote to Enterprise Insider, satirically over e-mail. I’d moderately get 700 to 1,000 emails than sit in lengthy, boring conferences.”
Cuban informed Enterprise Insider that his day is “boring,” emailing in spurts round his morning decaf espresso and cookie, bathe, and taking his daughter to high school. He then will get in a exercise session at Life Time Health earlier than taking a second bathe and returning to his inbox.
“I learn and reply to emails. I work out. I learn and reply to emails. I do a pair Zooms. Then I learn and reply to emails. Then I eat dinner. Then I learn and reply to emails.”
Folks might anticipate the long-lasting ex-Shark Tank investor to have an assistant run his e-mail for him—however he’s adamant on doing all of it himself, reasoning it’ll solely “gradual issues down.” However he isn’t merely hacking away at unread emails with a method; Cuban has solid a calculated plan all through the years to whittle down his messages effectively.
Utilizing his favourite communication technique, Fortune reached out to Cuban for remark through e-mail.
Mark Cuban’s productive e-mail set-up: AI replies, and no days off
Cuban is an e-mail lover, preferring the road of communication over Slack, texting, and calling. The serial investor informed Enterprise Insider it’s his favourite as a result of emails might be searched a long time later, as he has messages going again to the Nineteen Nineties. He started sending out emails within the Eighties on CompuServe—the corporate that acquired Cuban’s MicroSolutions enterprise for $6 billion—and nonetheless has a bunch of these folders along with his former staff’ addresses.
The 66-year-old businessman additionally sees the communications format as extra productive. Dealing with enterprise dealings, worker communications, and press requests “asynchronously” from all throughout the nation and world. Emailing makes it simpler to get issues carried out on his timeline—plus, everybody has it of their again pocket.
“There’s additionally actually no restrict to the kind or format of the content material. I can embrace it in emails or connect no matter,” Cuban wrote. “Everybody has e-mail. In 2025, I don’t know anybody who doesn’t…It’s quick. Notably now, with Google’s auto replies.”
However there’s additionally a technique to Cuban’s emailing insanity, apart from merely checking his inbox and responding to emails repeatedly all through the day.
For 10% to twenty% of his emails, Cuban mentioned he makes use of considered one of Gmail’s really useful responses, saving him a while and mind energy. He permits AI to put in writing his autoreplies often, or makes use of the device as a “typing hack” to save lots of time in writing lengthy responses, however famous that he’s “usually going so as to add some taste someplace.”
He additionally makes use of folders to maintain his inbox organized, as he’s had too many emails over time.
Whereas Cuban mentioned that he by no means needs to hit inbox zero as a result of he purposefully retains some emails unread as reminders, he goals to maintain these to underneath 20 messages. From time to time, he can get that quantity right down to underneath 10.
It’s an formidable purpose that requires a continuing clean-up of his inbox and means Cuban nearly by no means takes a break from his e-mail—solely stepping away for a day or longer throughout an “extraordinary occasion,” like attending particular occasions for his household.
“I’ve a tough time disconnecting,” Cuban wrote. “It’s quicker to only get it out of the way in which.”
