Cannot start microsoft outlook cannot open the outlook window the set of folders cannot be opened. Cannot open the outlook window. Hey thisisanotherryan! Welcome to r/Outlook! This is a public community. Press and hold the Ctrl key on your keyboard and double-click the Outlook shortcut. To protect your privacy, do not post any personal information such as your email address, phone number, product key, password, or credit card number. ” You may also encounter other similar errors, such as: “Cannot start Microsoft Outlook. The… Apr 17, 2025 · The set of folders cannot be opened. " I tried all the steps below and I cannot open it in safe mode. ” The error would be accompanied by a line with details on the error. Nov 6, 2020 · Cannot start microsoft outlook. Please be sure to have read our Rules of Conduct and be cognisant of how the system works here. ost)". I have already installed on my laptop with no problems. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Oct 24, 2024 · Fix error ‘cannot open Outlook window’ issue. Cannot start Microsoft Outlook. pst cannot be opened. Cannot open outlook window. com. You must connect to Microsoft Exchange with the current profile before you can synchronize your folders with your Outlook data file (. ost cannot be accessed. 1706) Office 365 2204 (Build 15128. Make sure that your flair is always set to Status: Open otherwise you may . The set of folders cannot be opened. Mar 23, 2023 · According to Microsoft, the major cause of this issue is a corrupted Navigation Pane settings file - profilename. In this guide, we discuss how to fix the “Cannot start Microsoft Outlook. If the error is caused due to a corrupt PST file, you can use an advanced PST repair tool to repair the corrupt PST May 14, 2025 · -I've reconfirmed I have the subscription that allows the online and the desktop app of outlook -I was using outlook desktop fine two days ago, this popped up over the weekend -I redownloaded outlook desktop app, restarted my computer, still same error… Dec 4, 2024 · Error Message: Cannot start Microsoft Outlook. The set of folders cannot be opened. Jun 2, 2025 · Cannot open the Outlook window. xml, where "profilename" is the name of your Outlook profile. May 12, 2023 · After I install Office 365 Business Standard. Dec 8, 2023 · Learn how to fix the Outlook error: The set of folders cannot be opened. . Please help. 20178) I'm unable to launch Outlook 365 offline. The attempt to log on to Microsoft Exchange has failed” e… Oct 10, 2022 · My Office 2016 Outlook was working fine, but then I started to get the following message every time I try to open Outlook: “Cannot start Microsoft Outlook. " Opening Outlook in safe mode can help you determine whether the “The set of folders cannot be opened” error in Outlook is occurring due to a faulty add-in. Oct 8, 2024 · "Cannot start Microsoft Outlook. The file C:\Users\Rhos\AppData\Local\Microsoft\Outlook******@usmarketingsource. the "Outlook. The file C:\…. Anonymous Mar 20, 2018, 2:35 PM May 20, 2022 · Windows 10 21H2 (OS Build 19044. Apr 28, 2021 · I have a user running Office 2019 (retail) using 365 mailbox. Nov 29, 2022 · “Cannot start Microsoft Office Outlook. " Things that I've done already. The information store could not be opened. The… Sep 1, 2023 · I keep getting this pop-up when trying to open outlook "Cannot start Microsoft Outlook. I've done this 3 times now, and Outlook will work until the machine is shut Dec 2, 2023 · The set of folders cannot be opened. ’ ’Microsoft Office Outlook’ must be restarted. Sep 2, 2024 · If Outlook says The set of folders cannot be opened, then here's how you can fix this error successfully on your Windows computer. To simplify, I decided to create another mail profile. A good indication that the file is corrupted is when its size is 0 KB. Trying to open Outlook I get the following message. Nov 15, 2021 · The "Cannot Start Outlook" error, can be faced in several Outlook versions (Outlook 2007, 2010, 2013 or 2016), because the set of Personal folders cannot be opened, due to errors while opening the Outlook Data file (e. The attempt to log on to Microsoft Exchange has failed. Start Outlook in… May 24, 2023 · Sometimes, when opening the Outlook application, you get the “Cannot start Microsoft Outlook. A week or two go by and he informs me hes getting the known error when opening Outlook - The set of folders cannot be opened. ost). pst" file is corrupted or moved from its location), or due to navigation pane settings corruption, invalid Outlook Add-ins or because Outlook is running in Dec 20, 2023 · “Cannot start Microsoft Outlook. Mar 20, 2018 · Cannot start Microsoft Outlook. I can open Excel and Word. The operation failed. Cannot open the Outlook window. " This is typically caused by one of the following issues: Your data file or profile is corrupt. I get the error: "Cannot start Microsoft Outlook. Jul 16, 2024 · If Outlook keeps showing ‘The set of folders cannot be opened’ error on your Windows 10 or 11 PC, here are some ways to fix it. Jun 25, 2025 · Describes an issue in which you receive a Cannot start Microsoft Outlook error when trying to start Outlook in cached mode or create a new cached mode profile. \FileName. The set of folders cannot be opened” Error. Went… Dec 25, 2023 · Trying to start Microsoft Outlook can be quite a task if you keep getting the following message Cannot start Microsoft Outlook. Aug 5, 2022 · The message says exactly: Cannot start Microsoft Outlook. " The general fix for this is to create a new profile. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Like, The attempt to log on to Microsoft Exchange has failed or The Operation has failed or The OST file is corrupt. May 20, 2022 · Windows 10 21H2 (OS Build 19044. Nov 8, 2023 · On Windows 11, if you cannot open the desktop version of Outlook, it’s possible to resolve this problem quickly through the Registry, and in this guide, I’ll explain the steps to complete this process. “exited without properly closing your Outlook data file ’C:\Users\……. g. When she tries to open Outlook, she gets the message "Cannot start Microsoft outlook. ccbjbcab "Cannot start Microsoft Outlook. You must connect to the Microsoft Exchange at least once before you use your Outlook data file (. Dec 19, 2020 · The set of folders cannot be opened. Cannot open the Outlook Window. Nov 14, 2021 · The setup went without a problem, he has Windows 10 OS and a Microsoft 365 Business Standard license. ” usually indicates that the outlook data file, where outlook has all the information stored cannot be opened. Another application or a COM Addin, such as a sync utility or "Skype", is accessing Outlook’s data file. Jun 21, 2025 · Microsoft Outlook cannot opened? Learn all tested approaches to fix cannot start Microsoft Outlook the set of folders cannot be opened. pxw gxkxi 0s2y6mt4 od5 itesxxx 14fu wwea rv rs0f5z8 lwls