Thứ Sáu, Tháng Sáu 2, 2023
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About Outlook data files

About Outlook data files


Offline storage table and offline Outlook data file, also known as OST
files, which are used to store a server-side copy of the mailbox contents. Even without a server connection, it still allows users to work. As a user, you have simple access to edit, compose, add attachments, save and delete email messages and other mailbox items. These changes are present when you next connect to Exchange Server.

As opposed to other Outlook data files like EML, MSG, OST, PDF, etc. compatible with or created by MS Outlook, PST, which stands for personal archive table, is the most popular of these. It keeps copies of every mailbox item, including email messages, contacts, calendar events, tasks, logs, etc., from the account set up in Outlook through POP MUSIC on the user’s local drive. Using the Export to File option of the Import/Export Feature, you can quickly create a PST file. Also you can set password protection PST file that you will need to import each time you open it.

What distinguishes an OST file from a PST file?

Here is a side-by-side comparison of OST And PST the files will help you understand why it is important for
convert OST to PST.

  • While PST files only allow you to manage them in MS Outlook when connected to the internet, OST files automatically sync changes with the email server as long as you have an internet connection.

  • PST files can be used with other services such as Microsoft Exchange and Microsoft Outlook clients, while OST files can only be used with Microsoft Exchange Server.

  • IMAP And MAPI accounts from Microsoft Outlook 2016 or later that use an offline storage table (.song) to store all emails and appointments, while Outlook 2013 and earlier use the PST document.

  • You can use the ScanOST.exe tool if OST slightly damaged or inaccessible. However, the Office 365 environment provides the ScanPST.exe tool, which helps users to fix all Outlook PST file problems in case the PST file is corrupted or damaged.

Why convert OST to PST?

The need to convert OST file to PST Formatting arises for many reasons. The following list of typical causes are discussed:

  1. Import OST data: Sometimes, users want to move mailbox data between systems, but doing this with the help of OST files can be a challenge.
  2. Reduce the risk of data loss: your exchange OST the file may be already large and corrupted or damaged. So you can
    convert OST to Outlook PST
    to solve the mailbox size problem.
  3. Accidentally deleted Exchange: Let’s say your Exchange Server is down or Exchange data is accidentally deleted for some other reason. Then convert OST to PST file first is a better option for you. Online data access: If you want to access or manage the size of a OST
    the file has been saved offline in Outlook PST format, see Section 5. Changing the Email Program: OST the file is not compatible with email clients other than Exchange and Outlook, so if you want to transfer the old mailbox contents to another email client, you must convert OST to PST. the transformation of OST
    file to PST format has several benefits. Now let’s look at different techniques for exporting OST file to PST Format.

Best technique to convert OST to PST for free for MS Outlook

We have listed the top three ways to convert a OST file into a PST file format below. However, make sure that you have the correct credentials and have used your Outlook account to synchronize with the Exchange profile before starting the process. Also, since no manual method is completely safe, we recommend that you back up your mailbox data in a safe location.

Method No. 1

It exports OST ARRIVE PST. OST mailbox folders can be converted to PST format the file using the AutoArchive setting in the Outlook email client. It is capable of converting every item in OST inbox
PST Format. Although you can move other mailbox items using this feature, this feature does not archive contacts. If you followed the steps correctly:

  1. Start Microsoft Outlook, and then select the File tab.
  2. Select Options, then point the pointer to the Advanced section of the Outlook Options wizard.

  3. Click Automatic storage Install button here.
  4. When a Automatic storage window appears, activate the necessary one:
  5. After making the necessary selections, press the Ok button.
  6. Your items from OST the file will then be saved to a PST file with the appropriate storage settings.

Method #2

OST ARRIVE PST data import and export conversion

Make sure you need to use Outlook credentials with your Exchange account when performing the steps listed below to export OST file to PST Format.

  1. Open Outlook and navigate to the File menu.
  2. Click Import & Export in the Open & Export section.
  3. Click Next after selecting “Export to a file.”
  4. Click Next after selecting the Outlook data file (.pst).
  5. Click “Next” after selecting the folder you want to export.
  6. To select the location of the output.pst file, click the Browse button.
  7. Select an alternative copy management option, then click Finish.
  8. If you choose to set password protection PST file, then click ALRIGHT to complete the procedure.

You can convert OST file to PST format in MS Outlook using any of these manual methods, but doing so is time consuming and has additional disadvantages.

  • Manual processes take a lot of time.
  • It is very difficult to convert manually OST file to PST files.

  • Experts advise that there is a possibility of data loss.

  • If you follow the procedure incorrectly, the process may get stuck.

  • There is no guarantee that every item in the mailbox will be backed up.

  • The OST ARRIVE PST conversion may fail if OST file size is big.

  • Broken or damaged OST The file cannot be repaired by this method.

Method #3

You can convert both single and multiple OST file into Outlook PST file format using Professional Solutions
OST to PST . Converter. You can also convert data in one OST files to other formats, including
PST, EML, MSG, MBOX, HTMLAnd CSV. Additional email clients like Gmail, Office 365, Zoho Mail, Yandex Mail, etc all support importing OST files.


Outlook uses PST And OST files, both are stored on the local drive but serve different purposes. While PST files that support data sharing and migration for us, OST sync files with Exchange Server. PST files are also the most reliable file format for storing email client backups. Without a doubt, PST the files are so much better than OST file as a file format, that’s why many users convert OST ARRIVE PST Format.

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