He didn’t present additional particulars or proof to assist the declare.
Microsoft declined to remark when approached by the BBC on Thursday.
Earlier, the corporate said in a notice that its promoting platform would “not assist Twitter” from Tuesday 25 April.
As a outcome, advert consumers wouldn’t be capable of entry their Twitter accounts by means of Microsoft’s social administration software.
“Other social media channels akin to Facebook, Instagram, and LinkedIn will proceed to be accessible,” Microsoft mentioned.
Twitter’s press e-mail responded to a question with a customary poo emoji.
In a separate tweet, within the dialogue in regards to the social media platform’s knowledge, Mr Musk mentioned he was “open to concepts”.
“But ripping off the Twitter database, demonetizing it (eradicating advertisements) after which promoting our knowledge to others isn’t a successful resolution,” he added.
In February, Twitter began charging for the information it collects from “a whole lot of thousands and thousands” of customers, with a fundamental plan beginning at $100 a month.
The knowledge permits customers to “handle and monitor each facet of your social media presence”, according to the platform.
Since shopping for Twitter for $44bn (£35.4bn) in October, Mr Musk has reduce its workforce by round 80% and moved to spice up the corporate’s funds by means of measures together with charging customers for “blue tick” verification.
In current months, main firms together with iPhone maker Apple reportedly halted advertising on the platform over issues about how content material was moderated on the location.
In November, Mr Musk mentioned Twitter had seen a “large” drop in income and blamed activists for pressuring advertisers.
Speaking to final week, he mentioned Twitter had simply months left to reside when he took over. He additionally mentioned “nearly all advertisers have come again or mentioned they will come again” to Twitter.
Mr Musk added that Twitter may very well be worthwhile by the second quarter of 2023, and he can be keen to promote the corporate if the best individual got here alongside.