"Some Results May Not Appear" Error in Mail after iOS 18 update

Ever since upgrading to iOS 18, I’m getting very limited search results (1 or 2 recent emails) - and the following error in the iPhone mail app:


“Some Results May Not Appear


Mail downloads and organizes messages when iPhone is locked, charging, and connected to Wi-Fi. Large accounts like this may take longer.”


My mail app archive is sizable but it’s been a couple weeks since upgrading - and the message still appears.


I’ve seen a few similar threads for earlier iOS versions but nothing for iOS 18 nor this specific wording.




[Re-Titled by Moderator]

iPhone 16 Pro Max

Posted on Oct 2, 2024 9:52 PM

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Question marked as Top-ranking reply

Posted on Dec 18, 2024 12:00 AM

I finally broke down and went through the excruciating troubleshooting with Apple support and we did manage to fix it.


What we did was:

  • Turn off iCloud mail on the local iOS Device (Settings > Your Name > iCloud > Mail)
  • Choose an alternative default mail client (Settings > Apps > Default Apps)
  • Delete the Mail App (Touch and hold on the Mail icon > Delete App)
  • Give the iPad about a minute to delete the existing data and the Mail App
  • Head to the App Store and download the Mail app again
  • Reset the Default Mail app to Mail (as above)
  • Restore any non iCloud accounts to Mail (it will turn on the iCloud Mail option automatically on reinstallation)


This worked on my iPad and I now have parity in searches with my iPhone at least. I’m hoping the rest of the indexing will happen overnight.

133 replies

Jan 14, 2025 5:33 AM in response to Zurarczurx

That isn’t right. While that may be the intent, that’s not how it works. I have had emails from the day before that when I open them now, they will say they haven’t been downloaded to the server. That’s the issue at this point. We cannot read some emails whatsoever and any attempt to search emails only returns approximately 15% of our emails. This has been going on for months. I updated to iOS 18 when they released it in September and to this day I’m still having the same issue.

Jan 14, 2025 7:26 AM in response to Zurarczurx

@Zurarczurx - My mail provider is…… Apple! It’s an iCloud account. So I am contacting my mail provider through this forum.


I’m still getting the message, and its still not finding all emails on any given search, just returning a small number of results. my phone is locked, charging and on WiFi every night and has been since I got this phone in October, so it’s had more than enough time to index.



Jan 30, 2025 2:52 AM in response to Zurarczurx

This issue has caused me to not have access to an email containing show tickets and is going to ruin my evening and cost me to waste 650$ CAD. This is so basic how can you screw this up Apple?!

I don't have this email problem but I always copy any tickets or docs to iCloud and make sure they're downloaded to my phone and I always print them as well, whether it's for an expensive trip or a £10 night at the local comedy pub. I've seen too many people arguing with bouncers about batteries and signal to put my trust in technology. Same reason I buy proper train tickets.


Have you tried turning off all the Protect Email Privacy options?


Jan 30, 2025 3:03 AM in response to iambenk

I have not updated my ipad so no issues there but definitely have issue on my phone


whilst we await a fix (gees I hope otherwise next phone will not be apple) I find I can reliably search within folders so if I have put a receipt in my receipts folder I can then search in current Folder and find it


the issue comes when I forget what folder or even which of my 5 emails I used to do a global search

Feb 17, 2025 2:56 AM in response to MissGretchenC

It doesn't.

This suggestion that your mail will update when it's locked, charging and connected to wifi is a complete red herring. I really don't understand why Apple have posted that, because it is not true.

Mail searches on my phone have not worked properly for a LONG time.. A quick look on Google ("apple mail search not working") brings up complaints that mail searches were not working properly under High Sierra in 2018, Catalina in 2019, Big Sur in 2021, Ventura in 2022, and Sonoma in 2023.

Nov 29, 2024 3:49 AM in response to iambenk

Currently going through this same exact thing. And it’s beyond frustrating! What is the point of being able to “check” my emails on my phone if the **** phone picks and chooses what emails it wants to show me? Ridiculous!! I gotta say all these “updates” are really making me consider making the switch to android because this is ridiculous as eff! So frustrating



[Edited by Moderator]

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"Some Results May Not Appear" Error in Mail after iOS 18 update

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