Click More Settings and then on the Advanced tab, click on Offline Folder File Settings Click Change and clear the Use Cached Exchange Mode checkbox Click on Properties and then select the Exchange account Click on Show Profiles and select the profile name You can use the search bar to find the Mail option The steps to recreate OST are as follows, In such cases, you can recreate the OST file and then view it in Microsoft Outlook. If the current OST file does not open or an error, such as “The file xxx.ost is not an Outlook data file (.ost)”, is displayed, it indicates damage to the OST file. However, you can open and view any inaccessible, orphaned, downloaded, or copied OST file directly without any authentication by using an OST to PST converter software, such as Stellar Converter for OST.īelow we have discussed different methods to open, view, and read OST file and mailbox items by using Microsoft Outlook. And such OST files that belong to a deactivated or deleted IMAP or Exchange account are often referred to as Orphaned OSTs. In such a case, you can’t open or view OST by using Microsoft Outlook. NOTE: If the account is removed from the server, the authentication may fail. Thus, to access or view an OST file and its content by using Microsoft Outlook, you need to authenticate with valid user profile credentials. This encryption key is saved on the server and local system’s registry file.
OST is created and encrypted when a user configures or adds the IMAP or Exchange account in Outlook. It allows Outlook users to access their emails even when the system is disconnected from Exchange or offline.īy default, the OST file is encrypted with the MAPIEntryID GUID encryption key. OST stores a local copy of mailbox items that are stored on the Exchange server, such as emails, attachments, contacts, tasks, notes, calendars, public folders, etc. It creates a Personal Storage Table or PST file for POP accounts and Outlook Storage Table or OST for IMAP and MAPI-based email accounts, such as Exchange. MS Outlook creates two different data files based on the type of email account.
Further, it discusses steps to convert and view inaccessible, damaged, or orphaned OST file by using an OST converter software. These methods and workarounds will help you to open and view the default OST file in another Outlook profile.
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Convert selected mail items to PST based on Sender, To, Cc,Bcc, Attachments etc.Summary: In this guide, you will learn about some free methods and workarounds to view OST file in Microsoft Outlook.Directly migrate the contents to Office 365 or Exchange.Recover corrupted, damaged or inaccesible OST files of any type.It supports all Exchange and Outlook versions.The free OST to PST converter allows you to completely recover all the contents of the corrupted OST file and you can preview them in a nice tree-view. If you would like to recover individual mailbox, you can export them to MHT, HTML and EML files. WIth this tool, you can also directly migrate the contents to Office 365 or Exchange server. In such scenarios, you can use offline EdbMails OST to PST converter ( ) to recovery any OST file and convert the same to PST. Hi, an OST file is very much prone to corruption due to Exchnage server failures or Outlook corruptions.