Forum Discussion
Outlook 365 suddenly won't open
Hello; Outlook worked this morning, now it won't open, says to open in Safe Mode, but that doesn't work, tries to open for 5 seconds than nothing. Restarted PC and no help. Please advise! Steven F 603
Steven F, original poster here: my Outlook just fixed @ 1:20 Pm pst, I tried it and it opened right up. Hope the same for all of you, maybe 1 at a time! Thanks all.......
167 Replies
- MikeK145Copper Contributor
Has there been any update to this issue? I had uninstalled Office 365 and reinstalled it , Same thing, outlook wont open even in safe mode. But yet Word opens fine with my options and all. So to me it seems like an issue with an update with Outlook maybe?
- rileyrcCopper Contributor
- lawken2001Copper Contributor
Steven_F_603 I have the same problem as others. I was able to open in "Safe Mode." You have to manually approve loading of pictures. At least there is access until they get it fixed.
- pasepulvsclCopper Contributor
Mismo problema en Chile, tengo varios clientes con diferentes servicios de office y outlook tanto OWA como aplicacion de escritorio no funcionan, la de escritorio se abre y se cierra sola.Steven_F_603
- EdgarecayceCopper Contributor
Steven_F_603 I am in the same boat I disabled addins, no luck, I was hoping I could uninstall the latest O365 update, but the control panel app just uninstalled O365 completely, I am going to reinstall and see what happens. All after last night's update.
- ACMurphyCopper Contributor
Steven_F_603
Outlook 2016 as well. Slightly different behavior than Outlook 365 (which is also failing to open except in safe mode.) Outlook 2016 opens, and then closes automatically.- cb_avatarCopper ContributorSame issue with Outlook 2016.
- fdupuisCopper Contributor
Steven_F_603 I also had the Windwos Updates this morning and my Outlook 365 wouldn't open since. It did open in Safe Mode (Outlook.exe /safe). I just did a System Restore from earlier this morning, from the restore point before the installation of these updates and now my Otlook open fine. Just to be sure, I stopped Windows Update for 5 days.
- bahmad340Copper Contributor
fdupuisI have the same experience. Outlook stopped launching or opening correctly this morning. I can open in safe mode. If I try to open it in the regular mode, it does not open (interestingly, I do see an Outlook icon in my system tray like usual, but if I click it, it just disappears!)
- JRM2020Copper Contributor
Same issue here - I've tried Office repair 3x - rebooted. This occurred after recent Windows update last night.
- JRM2020Copper Contributor
SOLUTION
See solution here - worked for me - rolled back to previous version - that was easy - only took 3 hrs to fix 🙂
https://www.reddit.com/r/sysadmin/comments/hrq0mn/outlook_immediately_crashing_on_open_after/fy5nnx2/- LepalmaCopper ContributorThis is the solution, work for my users!
- FidofelixCopper Contributor
Steven_F_603 Same here. And with a friend in the same building who just came to me for help. Seems it's a problem your end cos it was fine this morning, now we all have it...
- John_HegartyCopper Contributor
Fidofelix l have the same issue, after downloading the latest updates.
Steven_F_603 there is currently a service incidence regarding that.you can access your mailbox on the web and on your mobile Outlook client while it is been resolved
- Steve_MendellCopper Contributor
Ardamilola Until such time as Outlook is fixed, how do I access my calendar? I don't have a mobile Outlook client.
Steve_Mendell you can browse to https://outlook.office.com/ to access Outlook on the web and navigated to the calendar icon at the bottom left as shown in below image