Sometime due to some error, Microsoft outlook can't find OST file. This could happen due to slight changes in outlook settings and you will start getting "Outlook cannot find OST file" error in outlook. You could face this problem in any perfectly running system and outlook of any version. Here is the best thing to do never do any modifications in settings even accidentally. But if you are facing this problem and you want to fix this error, you should use OST to PST converter software a handy tool which will help you to find .ost files and scan them and convert them to pst files to keep your mail data safe.
If your outlook is configured with POP mailing server, the mailbox data file is known as PST file (Personal Storage Table) and for Exchange Server the mail data file is .OST file (Offline Storage Table). Microsoft Outlook saves all these data to your local storage in the directory where the Outlook is installed.
Converting OST to PST
The best way to convert outlook ost file to outlook pst file format is to use a third party OST to PST converter software. We recommend you to try vMail OST to PST converter software form V Software. This OST to PST converter tool is very easy to use with user-friendly interface. vMail OST to PST converter easily found damaged or corrupted OST file by scanning them and convert those files to PST files and you can save converted data to your desired location. After that, you can use these converted pst files to import in outlook and access your mail data. OST to PST converter can convert any size of OST file to PST files. This tool can also convert ost file to PST, MSG, EML, HTML, PDF, and MBOX file formats. vMail OST to PST converter supports outlook version 2016, 2013, 2010, 2007, 2003, 2002, 2000 OST files.

Get the tool from here-
There are lots of professional OST to PST conversion software available in the market that can easily convert OST file to PST file. The software also allows you to repair badly damaged OST file and recover the stored data, including emails and their attachments without making any change in original data. To know more about the software, visit:


The best possible solution to open OST files in Microsoft Outlook is by converting them from OST to PST format using any converter tool. This is the simple and basic method for the files to open smoothly without any effort.


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New Member
Can you explain your issue in brief so that I can help you in better way. If your Outlook fails to open OST file then there might corruption issues in your OST file. I would recommend you to use Microsoft Inbox Repair utility(Scanpst.exe) to repair corrupt OST file as It's a free utility suggested by Microsoft to fix corruption issues of OST file. However, this utility gets fail if there exist major corruption issue. In this case, you can pick any reliable OST repair tool to solve your issue. With the help of this tool, you can recover OST file in your own guidence as tool does not require any extra technical skill.

Hope it might solve your issue!!


Already somemembers posted good source and suggestion to get rid of this issue. But when i got similar issue then that blog post helped me a lot to resolve this issue. There are more than one solutions posted here and solution 2, i tried and it worked for me.


Active Member
If you are unable to access data of OST file due to file corruption, instantly get rid from corrupted file by using eSoftTools OST to PST Converter Tool. This program is one of the best utility to recover and convert OST file into 6+ different formats like Office 365, MBOX, CSV, EML, MSG, vCard, HTML. You can get the safe recovery through this tool, even without the installation of MS Outlook and it smoothly functions with all file version of MS Outlook such: 2000, 2003, 2007, 2010, 2013, 2016, 2019. A TRIAL PACK is available by eSoftTools, easily up to 50 emails can be converted into all formats.
Know more:- Convert OST to PST



I would like to suggest you Ignissta OST to PST Converter software to convert ost file to pst file. This is best utility software which provide best and secure conversion.

# No File Size Limitations, Convert large OST file to PST file
# Provide 100% safe and secure conversion results with 100% Accuracy of Data
# Capable to convert multiple file format such as: PST, Office 365, Vcard, EML, MSG and MBOX

Trail version is there to check software functions download and Install

Simple and Easy Conversion Process

Browse and Select OST file ---------> Preview Mail Items --------> Export to PST files





I would suggest you use the most effective Cigati OST File Recovery Tool to retrieves all the data from the corrupt or inaccessible OST files with great ease. The utility software securely saves the recovered OST file emails as PST, EML, DBX, MSG, and MBOX file format with all the attachments. It is highly compatible and supports all the MS Outlook Version, including Outlook 2019, to open the recovered OST file.


For migration offline OST to new Outlook PST files by download OST to PST export tool which simply save data into PST files. You can simply restore all lost or accidentally deleted Outlook OST file items by using the best OST to PST Converter Software. This tool will directly fix all of the OST files corruption errors and offers users to transfer internal database items such as- emails, contacts, chats, tasks, notes, journals, appointments, etc to multiple different file formats. Into PST, Zimbra, Gmail, vCard, ICS, office MSG, EML, EMLX, MBOX, PDF, NSF, and etc.

More info-



When you worried about how to convert Microsoft OST to PST? Then try SysInspire OST to PST Converter software that brilliantly recover OST file to PST Outlook. You can rapidly download free OST to PST Converter tool which provides a free version that can restore 30 emails from every folder. This application works with all form Exchange Server and the user can see emails in multiple formats such as EML, EMLX, HTML, MBOX, MSG and many more.

Read More -Microsoft Outlook Unable to Find OST file