# Microsoft Office365 Email Security - Invalid Characters

**URL:** <https://discuss.rapid7.com/t/microsoft-office365-email-security-invalid-characters/32582>\
**Category:** Plugins\
**Created:** [January 30, 2024, 6:54pm UTC](https://discuss.rapid7.com/t/microsoft-office365-email-security-invalid-characters/32582 "2024-01-30T18:54:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![michael\_cochran](https://discuss.rapid7.com/letter_avatar_proxy/v4/letter/m/91b2a8/32.png) [@michael\_cochran](https://discuss.rapid7.com/u/michael_cochran)\
**Post date:** [January 30, 2024, 6:54pm UTC](https://discuss.rapid7.com/t/microsoft-office365-email-security-invalid-characters/32582/1 "2024-01-30T18:54:55Z")

</div>

I am having an issue where my searches are failing due to invalid characters, I swear the plugin would put an escape character in front of invalid characters in the search string and now it is not doing it.

Example: Subject: Congrats! You’ve Been Selected !.. contains invalid character(s): “'”