OST file stands for Offline Storage Table, which is an offline copy of the Exchange mailbox. You can open OST file in offline mode, andmake changes in it.The changes made in the OST file will get automatically updated by synchronization when connected with Exchange Server.
Where is the OST file located? OST file can be found without opening Outlook/ Exchange by 2 ways..
You will find the OST file at this default location- C:\Users\user\AppData\Local\Microsoft\Outlook Or C:\Documents and Settings\\Local Settings\Application Data\Microsoft\Outlook
In OST Viewer tool, Search option automatically extracts all the stored OST files from the specified drive at one go.
To perform this, enter the drive location and click Search in Source File Selection dialogue box. All the OST files are extracted at once, thus making the task of locating OST file convenient for users.
Opening OST mailbox items without Exchange profile/connection
There are various integral features associated with the software that functions deeply for effective preview of all kinds of OST files.
Access OST Files Without Exchange Server OST Viewer tool allows access to Exchange Offline folders file (OST) without establishing a connection with MS Exchange Server. The tool scans the OST file and displays its entire content, including emails, calendar items, notes, contacts, etc.
Find and Open Emails Use its integrated ‘Find’ option to access specific email items. In the selected mailbox folders, you filter the emails by From, To, Subject, Date Range, Attachments, etc. Thus, you can locate and preview specific emails.
Saves Email List in HTML You can save the selected email from the OST files in HTML format. It will save the email body that you can access in an offline manner. You can also check the related attachment of each email along with its message body.
Opens All Kinds of OST Files OST Reader tool is capable of opening orphaned, inaccessible, or corrupt OST files. The software is well-prepared to open OST file without connecting to an Exchange profile
Search OST Files The tool makes the finding OST files easier with the Search option. This option locates the OST file within the specified location. You need to enter the drive in which you know your OST file is located. The tool will automatically fetch it, and you can open OST file by clicking on it.
Open Multiple OST Files You can open as many OST files as required. There is no restriction on the number of OST files to view. Use + button to add multiple OST files in the Source File Selection dialogue box. This feature saves the users’ time from adding individual OST files one-by-one.
Generates File Analysis Report The free OST Viewer tool generates reports with information on all item kinds, including emails, contacts, email flow density according to sender or data, notes, etc. It aids in the analysis of OST file data. These analysis reports provide a great deal about the OST file whose preview you have checked.
High Software Compatibility Kernel OST Viewer Free tool extends support for all versions of MS Exchange Server (2019, 2016, 2013, 2010, 2007, 2003, 2000, 5.5, and 5.0), MS Outlook (Office 365, 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98, and 97).
Note: You can also generate an analysis report. For this, you need to select the type of report you want to generate from the right corner of the screen.
Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95
50 MB of disk space
64 MB RAM (128 MB Recommended)
Intel® Pentium Processor compatible (x86, x64) or equivalent
What customers say about Kernel OST Viewer
This software provides a simple and straightforward way to access and view data stored in OST files, without the need for an Exchange Server connection. I used it without paying any cost. Thanks you!
It is an excellent tool for anyone who needs to view their OST files without Exchange connection. The software is incredibly versatile, and it can display all types of OST files with ease. I highly recommend it!
The software is very fast and efficient, allowing me to open and view OST files quickly. This feature is incredibly useful when I need to access a file quickly. I would like to give it full marks. Thank you!