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I use outlook for android (Motorola Moto G running Android 5.1) and it worked great until a couple of days ago. Now I get notifications of new emails, but the messages don't show up in my inbox. If I click a notification to try and read the email, it says 'Couldn't open message', and takes me back to my inbox, which shows only old messages.
Please help!
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I fixed my problem by deleting and reloading the app but the key was to restart the phone as well. There must have been some bug. The solution was recommended to me by my IT, they must have known about this.
I have now fixed, broken, and fixed it again on my Galaxy S9 phone, which makes me think I may be on to a workable solution.
The issue seems to arise with power savings for me. Under Settings>Battery>Power Mode if I set the "Optimize" or save mode, the problem recurs. I have to go into App settings for both Outlook and Authenticator, select "Battery" options, and set to "Not optimized" for the settings under "Optimize battery usage". I also enabled "Allow background Data Usage" AND "Allow app while Data save on". BTW, the battery usage hit from allowing these settings seems to be negligible.
After all these settings, "Force stop" both apps and reboot the phone. After that it seems to work reliably.
This worked for me. I set the battery settings to maximum performance and removed all apps from 'prevented background running' and disabled automated optimization. (Outlook was in neither of these groups but still affected).
This will drain my battery even more, but at least I will get mails again. So this seems to be an Android OS issue caused by heavy battery saving. This made my Spotify stutter some time ago too.
I am currently having the same issue with an Iphone. Is anyone else with an Iphone having similar issues?
I continue to reset the app and it will work for a while, but then the app stops working again. The frequency of which it occurs is also increasing. Any solutions?
I'm having the same problem, outlook on android on two phones. Tried disabling power saving for the outlook app, seemed to work for a few days but then same problem. Disabled IPV6 on Lan side of my sky router, rebooted and it pick up the new emails straight away. I see how it goes but looks good at the moment, I assume another bug in the outlook client that Microsoft will not believe is happening.
Still happening in 2019. I noticed an earlier post mention android battery saver may be the cause. Realized i have battery saver turned on so i cycled it off and immediately the new messages came through! Doing more research to see if there is an option in battery saver that is preventing new emails from coming through. Will report back...