The office REIT is working with Morgan Stanley after being approached by potential buyers earlier this summer. : (Bloomberg)—Columbia Property Trust Inc. has hired an adviser after receiving takeover interest, according to people familiar with the matter. The Atlanta-based real estate investment trust is working with Morgan Stanley said the people, who asked to not be identified because the information isn’t public. It received approaches from potential buyers earlier this summer, they said. The offers weren’t compelling and there is only a slim chance that it will reach a sale agreement, one of the people said.