How can I remove a number from the message app on my Mac?

My sister and I share an iCloud account but for some reason, her messages are showing up on my mac even though message forwarding for my mac is off. I

My sister and I share an iCloud account but for some reason, her messages are showing up on my mac even though message forwarding for my mac is off. I turned it on, on my iPhone 6 and messages for it show up throught notifications but messages app shows texts from my sisters iPhone. My mac is running the latest update of Mac OS X Keystone.

or:My sister and I share an iCloud account but for some reason, her messages are showing up on my mac even though message forwarding for my mac is off. I turned it on, on my iPhone 6 and messages for it show up throught notifications but messages app shows texts from my sisters iPhone. My mac is running the latest update of Mac OS X Keystone.


or:I think that in imessage app you can't delete the account, you can't just logout from iMessage preferences and erase the history.If you are facing more problem then call to apple mac technical support phone number- +1-800-506-9828.


or:If you don't want calls or messages for your Mac, you can remove your phone number. There are two ways to do this:On your iPhone, go to Settings > Messages > Send & Receive. Sign out of your Apple ID account. Then go to Settings > FaceTime and sign out of your Apple ID account.If the phone number that you want to remove belongs to an iPhone that you can't access, change your Apple ID password. This removes all phone numbers from your iPad, iPod touch, and Mac. Calls or messages for the removed numbers won't appear on those devices anymore.

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