Is it bcc’d or bcc’ed?

According to the Merriam-Webster dictionary, the correct simple past tense form of “bcc” is “bcc’d” (e.g., “Because she bcc’d me, no one else knew that I received the email.”). 

The correct present participle is “bccing” (e.g., “I find that bccing is a good way to maintain privacy when sending the same email to a large number of people.”).

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