Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
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reply mail with Apostrophes not sending
If the email address you are trying to send to contains an apostrophe, it could be the cause of the problem. To fix this, you can try setting your email program to send messages using a different character set than UTF-8. In Outlook, for example, you can make this change in Options > Advanced > International options, then resend the message.
hope this helps!