Enable or disable IMAP, POP, OWA, MAPI, or Exchange ActiveSync for a mailbox in Exchange Server in office365
1. Connect to office365 PowerShell –
2. To see the current state for the mailbox – type : Get-CASMailbox -Identity “Mailbox identity”
(Where mailbox identity is the mailbox name)
3. To Disable one of the services type:
Set-CASMailbox -Identity idit -OWAEnabled $False
To enable on of the services type
Set-CASMailbox -Identity idit -OWAEnabled $True
To enable\disable service for all mailboxes type:
Get-CASMailbox |Set-CASMailbox -OWAEnabled $False
Check:

Sr. Cloud Solution Architect at Microsoft, I’m passionate about helping customers succeed by building secure, scalable, and innovative cloud solutions – with a strong focus on AI, DevOps practices, and end-to-end security. With a proven track record in the IT and services industry, I serve as a trusted advisor, partnering closely with organizations to guide them through digital transformation and maximize the value of their cloud investments.
My role combines technical leadership with project ownership – from designing modern architectures to leading cross-functional implementations that drive real business outcomes. I also manage and empower strategic partners, working hand-in-hand with them to ensure project success and deliver measurable business impact for customers.