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How to remove an unwanted calendar invitation on my iPhone?

I received both an email and an invitation into my inbox of my calendar “Alert Trojan Detected” the calendar selected doesn’t have a delete option like all my other calendars. There is no option through accounts. How do I delete this?


[Re-Titled by Moderator]

iPhone 6s, iOS 12

Posted on Oct 1, 2023 1:22 PM

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Question marked as Top-ranking reply

Posted on Nov 6, 2023 3:48 PM

Same problem for me - all of a sudden my iPhone calendar was showing all day entries from 1st Nov to 27th Dec for this; unable to decline invitation or delete etc.

After going thru settings > Calendar > accounts, noticed that my outlook account (for which I use for email) was also set (via the green button) to sync outlook calendar. I deselected this option (but left email still active) & okayed warning from iPhone that it would delete the outlook calendar entries and lo & behold the suspicious entries have now disappeared from iPhone calendar! Never use outlook calendar anyway - only always the iPhone calendar so no loss not to synch with outlook. And it certainly seems to have sorted issue. Looks like problem is with outlook….

36 replies

Feb 15, 2024 1:53 PM in response to Casperarizona

I had an unusual calendar invitation sent this morning that was spam, but in my foggy morning mind, I declined it instead of not touching it at all. I immediately changed all pw's on all accounts I have, but I couldn't figure out how to delete the calendar invite. When I opened it on my iCal app, there was no delete button. So, I did what @casperarizona recommended and deleted the calendar from my iPhone then it went away, I found this through a google search. Thank goodness, no harm was done. I was able to add the calendar app back on and the invite was gone.

Jan 24, 2024 2:32 PM in response to Reklaw1973

Thanks for this tip. After I cut and then copied something else and shut down my Calendar. I reopened the calendar and the spam messages said cancelled with a line through them all. When I opened up the whole month of the calendar I could see all the dates had these cancelled messages that where still in my calendar which was annoying as they carried on for months. So, I clicked on the cancelled invitation and then clicked delete.

This removed all the cancelled invites out of my calendar!! :)



How to remove an unwanted calendar invitation on my iPhone?

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