Communicate with Skype for Business - Microsoft Support
https://support.microsoft.com/en-us/office/communicate-with-skype-for-business-6fc83e3e-9577-4d28-9a28-7032b1e4d5f3
WebConnect with your team through chat, voice or video call, or messaging with your team with Skype for Business. Find or add a contact. On the Contacts tab , in the Find someone box, type a name or email address. In the search results, right-click the person you want to add, and select Add to Contacts List. Start a conversation. On the Contacts ...
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