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Since launching his bid for the company in April, Musk has not spoken to employees.
At the meeting, the Musk is expected to take questions from the employees.
If the firm doesn't give data about fake accounts on the platform, Mr Musk might quit the deal.
The announcement of the event was made in an email to staff.
Employees were told to submit questions to Mr Musk prior to the meeting.
The news, which was first reported by Business Insider, was confirmed to the British Broadcasting Corporation by a spokesman for the micro-messaging service.
Since launching his takeover bid, Mr Musk has not spoken to the company's workforce.
He threatened to walk away from the deal after accusing the social media company of blocking his requests to learn more about its users.
Mr Musk said in the letter that he had the right to do his own measurement.
After he declared the deal "on hold" pending further information, the dispute became formal in the letter.
According to analysts, Mr Musk may be trying to walk away from the deal or try to get a better price. It was difficult to know how serious he was because his decision to raise the issue on social media was unconventional.
Mr Musk responded with a poo after Mr Agrawal defended the company's process for identifying fake accounts.
At the end of New York trading on Monday, the company's shares were at $37.03 each, well below Mr Musk's offer price.
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