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Fix Corrupt Offline OST Files using Scanost.exe?

Also known as OST, Offline Storage Table file is a storage file in Microsoft Outlook. Even if the Outlook is not connected to Exchange Server or offline, you can still work on it with OST file. The Best Part of OST file is that it enables you to compose new mails, save your emails in drafts, delete or read existing mails, etc. in offline mode.Once it is connected to the Exchange Server again, all the changes made by the user to Outlook OST file get synchronized automatically with Exchange Server. OST files are basically duplicate copy of mailbox stored on Microsoft Exchange Server and stored in the hard drive of your computer.

Any damage to the Exchange Server doesn’t affect the files stored on your hard disk.At some point, you might also find that some of the files are either missing or deleted from OST files. It happens mostly because of OST corruption or certain mistakes by us. If OST file seems to be corrupt, MS Outlook provides official Integrity Check tool, scanost.exe to fix all your OST files.

Fixing with Scanost.Exe – Integrity Check Tool

Scanost.exe is an OST Integrity Check tool and a built-in repair tool that can repair and diagnose OST file. The tool scans both your mailbox file and OST file that is running on Exchange Server. It compares both your folders and items in each of the files and tries to fix synchronization issues between them. You have to be connected to the server to use this tool.

- Steps to Fix Errors with Scanost.exe
- Before you start your repair process, close MS Outlook
- Double click on Scanost.exe. By default, it is located at C:\Program Files\MS  Office\Office12.
- In case of having multiple accounts in MS Outlook, the tool will ask you to choose OST file that should be repaired.
- Click Connect, if it asks to Work Offline or Connect
- Choose any option as per your need
- Select “Repair Errors” to resolve errors automatically while scanning OST data
- Click “Start Scan”

In case scanost.exe is not able to repair your corrupt Offline Storage Table (OST) file, there is no need to worry! You can fix the error with the help of Regain OST to PST Converter Tool. It is a professional tool to fix the corruption in OST file because of any reason. The best part of this software is that it can recover all the lost or deleted files in MS Outlook after repairing OST file, such as Attachments, Emails, Notes, Meeting Requests, Journals, etc. from OST file.

How to Use Regain OST to PST Converter?

* Download and install Regain OST to PST Converter Tool on your PC
* Launch the software and follow the steps on the wizard
* Select “Open OST” option and find out your corrupt OST data stored on your computer
* Click “Find OST File” if you don’t know the location
* To choose a specific Outlook profile if you have several Outlook accounts, click “Outlook Profile” option
* If it has minor corruption issues in your OST file, choose “Normal Scan” option. If it is severely corrupt and unresponsive, choose “Smart Scan” option. Click on “Repair” button to fix your OST file.
* The repair process will be started automatically. After scanning, it will show the recoverable OST files.

Helping Guide & Tips Visit:
Andrew smith 77Andrew smith 77
OST to PST Converter that can easily repair corrupted database including every mailboxes from Exchange server Items ( Emails, Contacts, Attachments, calendar, tasks, notes list, picture, journals, folder and sub-folders) etc. This software provides 100% recovery and conversion of OST file into PST format, 
Ada SmithAda Smith
Convert OST file to PST is very simple tool a non technical person also operate it successfully. It quickly converts all emails item of OST files into PST files with all emails item. It easily runs successfully on all versions of MS Outlook office such as -365, 2016, 2013 & all lower versions.
Natalie PattersonNatalie Patterson
If you are in a situation of OST file corruption then you can take help from OST to PST Converter which is embedded with many amazing features and fulfill the requirement of the users. After the recovery, you can save contacts file to VCF format. Convert OST file to PST File
Adam GilchrestAdam Gilchrest
Repair corrupt OST file with Scanost.exe technique, is you need the method for recover to your damage OST file. I can recommend your reason behind this trouble like data storage issue, network, power failure, synchronization, termination of Outlook, malicious or other type viruses etc. But if you seriously move to this problem then you can take help with this useful article by click here:
Andrew Manson 2Andrew Manson 2
In case of Outlook 2007 and below versios, Scanost.exe or integrity checker tool is there to repair the OST file. So if you want to know how to use this utility please refer 

In case this Scanost.exe ( Integrity Checker Tool) doesnt help you to repair OST file data then you can OST recovery software to recover data from corrupted Outlook OST files. This software can easily fix all corruptions issues of OST file. 
Jack Evans 20Jack Evans 20
The recovery of OST file into Outlook PST format the user need to use some safe and secure option to migrate their data as they can this Softaken OST Repair application. By using this software you can evenly move all your OST data files of offline Outlook email client into Outlook PST format without any problem or alteration. OST Repair tool the great software as this seems to be quick tool for me when. OST to PST by exporting all your emails, calendars, journal, tasks, etc. Free Trial version which migrate the first few items from each folder. Refer:-
sachin singh 86sachin singh 86
If Scanost.exe is not working to fix corrupt Offline OST files, use MailsDaddy OST Recovery Tool ( It has advanced features to restore recovered OST Mailbox items to PST, EML, MSG, MBOX, RTF and HTML format. The tool can also transfer OST To Office 365 and Live Exchange Server users' accounts. This OST recovery software can work for also inaccessible and orphaned OST files. A free trial is available to use in which users can test the software before buying a license.