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Updated On - 20 May 2022 | Read time 5 minutes MS Outlook from Microsoft is one of the most used email clients serving not only Windows users but also Mac users (as Outlook for Mac) providing ease with email handling. With lots of perks on one side, there are some drawbacks on the other. From millions of Outlook users, many go through sudden issues popping on the screen out of nowhere. Microsoft runs numerous product & service specific forums on which the users can post their queries. If you’ll have a sight on Office forums, it is easy to notice the wave of issues with which users are struggling and the ways in which they are affecting the productivity. Understand why OST file corrupts!OST files are Offline Storage Tables, which holds a copy of the original mailbox available on the Exchange Server. This copy synchronizes at specific intervals. Thus it enables the account owner to have access to the mailbox all the time even without the server connectivity There are various reasons why the Outlook OST emails become inaccessible:
Fix OST file corruption issue
Open Outlook and click on File tab > Account Settings > Manage Profiles; click Show Profiles. Error due to running in Compatibility ModeGenerally, Compatibility Mode is not required for Outlook (any version) on Windows Vista, 7, 8, 8.1 and 10. So, it is not suggested to use compatibility mode for any application that is designed for the Windows. Below are the most common errors which you might have faced because of running Outlook in Compatibility Mode:
Compatibility mode creates conflicts if enabled for Outlook. So, you should think of disabling it if you face any issues. Disable Compatibility Mode on 64-bit Windows OS, follow the steps below:
If the Compatibility tab is missing, follow steps below:
Use a professional toolUsing a professional OST to PST conversion tool is the best way to repair and recover OST file data and avoid any chances of things going bad. It is quite common that not all the users are techy and possess enough technical knowledge to come over issues like this, especially when you are handling your business email with Outlook. Kernel for OST to PSTKernel for OST to PST is an advanced OST to PST converter tool which is specially designed to handle scenarios like above. With this tool, you can re-create and recover damaged OST file without even worrying about fixing the issue at first place. The tool offers a delicate GUI for ease of access & offers standard user-friendliness. You can even import multiple corrupt or damaged Outlook OST files at once and repair all of them in a single go. ConclusionIt can be difficult to find out an appropriate solution for the error you are facing with Microsoft Outlook, as there are many errors which can occur and reflect badly on user’s productivity. We’ve listed the most appropriate methods which can come handy in the such a situation. Overall, it is recommended to use a professional tool at first to avoid data loss. More Information
How do you fix Outlook The information store could not be opened?How can I fix the Information Store Error?. Open Outlook in Safe Mode. First, try opening Outlook in Safe Mode. ... . Deselect the Compatibility Mode Option. ... . Fix the Navigation Pane File. ... . Fix Outlook's PST File. ... . Remove Lync From the System Startup. ... . Clean Boot Windows.. How do you fix the set of folders Cannot be opened?Fix “The Set of Folders Cannot be Opened” Error in Outlook 2016,.... Start Outlook in Safe Mode. ... . Create a New Outlook Profile. ... . Start Outlook from the Taskbar. ... . Use an App Password for Outlook. ... . Install the 64-bit version of Office. ... . Remove your Account from the Mail App. ... . Remove . ... . Repair Outlook Data Files.. Can not start Microsoft Outlook The set of folders Cannot be opened the information store could not be opened?Run in safe mode Some Add-ins or custom items also may cause your issue, please try to restart your Outlook in safe mode(Windows +R>type "Outlook.exe /safe">enter) Repair your data file If your issue still exists, it may be related to your corrupted data file, please try to repair it to test.
What are default mail folders?This default folder is used to store messages delivered to a mailbox. This default folder contains actions selected by the user. These actions are automatically recorded by Outlook and placed in a timeline view.
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