OST is an Offline Storage table file created by MS Outlook. When Outlook is used in conjunction with Microsoft Exchange Server, you can set it to work offline with the Exchange mailbox. OST files store the offline work and as soon as the server is connected and MS Outlook turns online, all the saved emails and information is delivered to respective client immediately. The ability to work offline is useful in environments with limited or unreliable connectivity.
When you work in an Offline mode, MS Outlook creates an exact copy of user mailbox on the Exchange Server, called offline folders, and stores it locally on your desktop. MS outlook names this file as Offline folder file, and stores it with OST file extension. It is an offline folder file in Microsoft Outlook which makes it possible for the user to work offline and then to synchronize changes with the Exchange server the next time they get connected. OST files are exact replica of the folders of an individual user on Exchange. Every modification made while working offline, is automatically synchronized when you are connected to Exchange Server.
During the synchronization process, Outlook gets connected to the Exchange server via network, copying all the changes made, so that the offline folders look identical to the mailbox again. You can select to synchronize only a specific folder, a group of folders, or all the folders. A log file will be used to record all the important information about the synchronization, for your reference later.
The OST file contains all your most important personal communication data and information, including emails, folders, posts, appointments, meeting requests, contacts, distribution lists, tasks, task requests, journals, notes, etc. While using Outlook if you come across problem of server breakdown or accidental deletion of email account, then the OST file in use is damaged. It may also happen due to oversized OST file, OST file compaction failure, virus attack on server or on your computer etc. If your OST file gets corrupt or damaged, you will not be able to access your important Outlook data. It leads to very serious problems. OST corruption makes all the data of an Outlook application inaccessible. You cannot even send or receive your e-mails.
OST file problems are caused due to various reasons:
To fix OST file problems like damage or corruption , there is no other way left than to repair corrupted or damaged OST file . You can repair damaged OST file using repair OST file tool. It is safe to use this tool to repair damaged Outlook OST file, as it does not modify the original file, instead it creates a new file and reads exactly what is present in the original file thus causing no further damage to the original .ost file.This software not only repairs the damaged OST file but also restore OST emails that were emptied from the "Deleted Items" folder. This tool also has the ability to recover contacts from MS Outlook OST file lost after accidental deletion and OST file corruption. By downloading the demo version, you can search for the lost OST files, repair the damaged and corrupted file. After the repair process, you can preview the repaired .ost files but will not be able to save them. Instead, you can save the recovered scanned information. When you are satisfied with the result you can purchase this software, you can repair all the .ost files, and can use the saved scanned information in order to avoid re- scanning for the damaged OST file. You can also repair Microsoft Outlook 2003 OST files and also recover contact from OST files that are damaged due to file header corruption or abnormal termination of Outlook application. OST file repair softwrae can also be used to fix OST file cannot be accessed onMS Outlook 2000, 2003, 2007, 2010, etc.
Steps to Fix OST file problems:
(i): Open the software to launch main window as illustrated in figure 1. Click on "Open PST File" to open damaged OST file on your computer.
Fig 1: Main Window
(ii): Once you have selected the damaged OST file click "Next" as illustrated in figure 2
Fig 2: Select Damaged OST File
(iii): Now select the destination folder to save the repaired OST file and choose one of the scanning method. Click on "Repair" to finish the process as illustrated in figure 3
Fig 3: Select Scanning Method
(iv): Once the software repairs the entire OST file, all the recovered attributes will be displayed in Outlook style browser as illustrated in Fig 4
Fig 4: Recovered Files
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