How to open OST file?
OST Opener is a type of software that can open a file with the extension OST. Usually, there are also additional options. The first thing you should do is double-click the OST file icon you want to open. If you have the correct software your problem should be resolved. After clicking, your OST file should open in the program that is assigned as default for handling OST files on your device. However, the problem is not always solved so quickly. Follow the steps of the instructions below to try to solve it.
How to open OST file? 9 steps
In case it is not possible to open the Outlook Offline Folder Format file without additional steps, follow the steps below
- Check if the Outlook Offline Folder Format file can be handled by the given operating system. It may turn out that OST files are not compatible with your system.
- No default Kernel for Exchange OST Recovery application in the system or Convert OST to PST, Outlook Recovery Toolbox, Microsoft Outlook, Advanced Exchange Recovery will prevent you from opening OST files. If there is no application that supports files with the extension OST, it should be downloaded and installed on the system.
- Verify that the default application for handling OST files is one of the following software tools: Kernel for Exchange OST Recovery, Convert OST to PST, Outlook Recovery Toolbox, Microsoft Outlook, Advanced Exchange Recovery. If not, open the dialog box with the properties of the Outlook Offline Folder Format file and use the "Change" button on the "General" tab. On the list, search for one of the Kernel for Exchange OST Recovery, Convert OST to PST, Outlook Recovery Toolbox, Microsoft Outlook, Advanced Exchange Recovery applications and confirm.
Software programs that open OST file extension
- If the Outlook Offline Folder Format file has been downloaded from the Internet or copied from another medium, it may be corrupt. In this case, the Kernel for Exchange OST Recovery, Convert OST to PST, Outlook Recovery Toolbox, Microsoft Outlook, Advanced Exchange Recovery programs will not be able to open the Outlook Offline Folder Format file despite their presence in the system. Re-downloading or copying the file may fix the problem.
- The antivirus program can identify the virus with which the Outlook Offline Folder Format file has been infected and at the same time blocks the opening of the file. The best solution in this case is to run a virus scanner and check the system for viruses.
- Outlook Offline Folder Format is a file that may have been generated by older program versions. In this case, you may find that the newer version of the application does not support this older format.
- The condition for the correct handling of the Outlook Offline Folder Format file may be the regular download and installation of the application update in which the user wants to open it. Check the app for up-to-date information and, if necessary, install the latest version.
- Make sure that the icon representing the Outlook Offline Folder Format file is not a shortcut to the location where this file is not present.
- The system administrator has restricted the opening and modification of certain files, which in this case may include Outlook Offline Folder Format.
Useful tools
If, after performing the above steps, you still have problems opening the OST file, you can try using some tools available on the web. At the bottom you will find tools that are dedicated to opening OST files.
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