The PST File stores local copies of your calendar events, messages, task data, contacts, etc. The structure of PST Files also makes it possible to export (back up) and import your calendar event details, messages, tasks, contact, etc., to any device. Office 365 Sync Errors Fix Although both file formats serve storage purposes, they differ significantly on the root level. Read the following section to get the complete knowledge about PST and OST differences. The .ost file is synchronized with the items on the server that runs Exchange.

Step 3: Click REPAIR

The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. While working on Microsoft Outlook, have you ever thought about how your email data is stored or managed with OST & PST file format? Knowing the comparison between OST versus PST files will help you to provide a clear understanding of them. Moreover, it helps take suitable steps when opting between the OST and PST files. From the heading above, you can notice two tools were listed. Yes, but they function for a different reason, that'll be mentioned in this section.

Differences Between Outlook PST and Outlook OST

PST files have password protection options, but how to fix Outlook not opening today they are not encrypted by default. PST files can be exported and imported into any Outlook account. PST files can be accessed easily with any Outlook profile or account.

Part 1. What Are Outlook PST Files?

It can save you a lot of grief, but isn’t the most reliable. I’ve had it tell me it repaired files, but then I open them in Outlook and they are empty. In typical MS fashion, the tool can fail, but won’t tell you until the very end…after you’ve run it for an hour.

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However, when using electronic files such as PST, you’ll need to keep your files in check to ensure that they aren’t corrupt. Apart from keeping them in check, you’ll also need a backup plan –talking about powerful tools such as Repairit for Email, should they ever get corrupted. One consistent problem with electronic files is how easily they can be targeted and corrupted. If you can open the original Outlook Data File, you might be able to recover additional items.

• Use OST for offline access with Exchange accounts, and PST for archiving, backup, or migrating data.
• Besides that, it also highlighted the importance of OST conversion nowadays & recommended the best-automated way for conversion.
• A. Yes, you can import the PST file into another computer's Outlook profile to access the data.
• Outlook Data Files (.ost) are always copies of items that are saved on a mail server and don’t have to be backed up like Outlook Data Files (.pst).
• The .ost file is synchronized with the Exchange computer when a connection is available.
• This is a highly recommended, trusted repair tool for PST/OST files.
• Less susceptible to corruption or damage, as it is attached to the Exchange server.

What are OST Files?

Outlook Data Files (.pst) are used for POP3, IMAP, and web-based mail accounts. When you want to create archives or back up your Outlook folders and items on your computer, such as Exchange accounts, you must create and use additional .pst files. Typically, when you use a Microsoft Exchange Server account, your email messages, calendar, and other items are delivered to and saved on the server. You can configure Outlook to keep a local copy of modern authentication troubleshooting your items on your computer in an Outlook data file that is named an offline Outlook Data File (.ost).

Key Characteristics of PST Files:

That Is, apart from Outlook not being able to open older formats, OST and PST files have consequently become more fragile –easily corrupted. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File.



I also used this Softknoll Ost to Pst Converter tool that i suggests this application. So, you can also use its services for recovery of your corrupted OST file data. In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empty.

With high-end features and advanced filters, Recoveryfix OST Converter stands out as the ideal tool over others. Less susceptible to corruption or damage, as it is attached to the Exchange server. They are independent of the server and don’t get synced automatically. Created when the account is configured with IMAP protocol, Office 365, Outlook.com, & Exchange. Step 1 Firstly, you'll have to open the respective tool depending on your Microsoft Outlook version. You can check the location of your Outlook Data Files in Outlook.