In order to rebuild a new OST file, you must delete and then recreate the OST file to ensure that communication activity continues if the OST file is corrupted for known or unknown reasons. You can create or restore OST files to access lost data. Instructions for creating a new OST file in each version of Outlook are available here.
In older versions of Outlook, Scanost.exe was used to repair OST file in Outlook 2007 and lower versions.
In earlier versions of Microsoft Outlook application, ScanOST.exe is available to check the inconsistencies and error among OST files but it is only recommended for lower level corruption. In the recent versions, this utility is not available and scanning OST files using ScanPST.exe takes longer than expected. Therefore, the Offline Storage Tables can be recovered by using extraneous Exchange OST Recovery Tool that helps recuperating all healthy data presented in the OST and export to a healthy Outlook data file.
Follow the step by step guide to delete and OST file in Outlook:
The next section describes the detailed procedure for creating a new OST file for different versions of Microsoft Outlook. Here are the steps for creating a new OST file one by one for each version of Outlook. Click a specific link to be redirected to the required steps.
After creating a new OST file with different versions of Microsoft Outlook, you need to check the sync status between Outlook and Exchange through the OST Consistency Checker.
In a recent update from Microsoft, it recommends that for restoring OST, delete the file and then re-download it from Server.
In case, if the OST is not synched with Server and contains local data, then it is suggested to backup OST file and then delete the existing OST file. Later use backup file in Outlook. If any duplicate data exists, it can be excluded from the file during export.
Following procedure can be implemented to backup OST file:
ScanPST.exe can still be used to check the logical as well as physical inconsistencies among OST files. But the Outlook Inbox Repair Tool might take longer for scanning the Offline Storage folders.
Note: It is highly recommended to backup OST files before executing any of the given procedures.
RecoveryTools™ is based on core business standards that ensure "perfection" and "precision" throughout the entire process.
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