When you connect an email account to Outlook, an Outlook Data File (.ost) called the Offline Storage Table is created (OST). It maintains a local copy of all emails and attachments in your Microsoft Exchange Server Mailbox.
Outlook users may access their emails, attachments, notes, calendar, contacts, and draught or send messages even while the system is offline by using the Outlook Data File.
As soon as the system connects to the internet, the OST file is synced with the Exchange server, and any modifications made offline are reflected on the Exchange server. Emails sent during the system outage are also synchronised with the Exchange server and delivered to the recipient (s).
How can an OST file be open From Another User?
An OST file is associated with your account and assigned to the system where your Outlook account was created or changed. As a result, an OST file on any system cannot be accessed or imported.
To access or import an OST file on another computer, first convert it to a Personal Storage Table (PST) format.
What is a PST file, exactly?
An Outlook Data File is what a PST file is. The difference is that the Outlook Import/Export Wizard allows you to import PST files without restriction to other PCs or Outlook accounts. This Outlook Data File (.pst) allows you to transfer Outlook email items. PST files may be imported into Outlook using an IMAP, Exchange, or Office 365 profile and your Outlook account.
Viewing OST Files in Various Ways
There are three methods for converting an OST file to a PST file. Follow these steps to convert your OST Outlook Data File and open it on many computers.
Method 1: Manually Transfer Outlook OST File
To export an OST file with Outlook, do the following:
P. S.: You can only use this method if you have access to your Exchange account. If you don’t have access to it, attempt the second method for that.
1. Start Outlook.
2. Follow the ‘File / Open & Export / Import/Export’ steps.
3. Choose ‘Export to a file,’ then click ‘Ok.‘
4. Select ‘Outlook Data File (.pst)‘ and then press ‘Ok.’
5. Choose the email account you want to export. Individual mail items, such as ‘Inbox’ or ‘Sent Items,‘ can also be exported (one item at a time)
6. If you want to export all data, check the box next to ‘Include subfolders,‘ otherwise check the box next to ‘Filter…‘ to export only specified things.
7. To select a save location, click ‘Next’ and then ‘Browse.’
8. There, you may specify whether duplicate mail items should be replaced, allowed, or prevented from being exported.
9. Finish by clicking the ‘Finish’ button.
10. If you believe it is necessary, you can create a password to protect the PST file against unauthorised import.
11. To begin exporting Outlook, click ‘OK.’
Note: If you’ve already done so, enter your password again and click ‘OK’ to export the Outlook Data File.
Method 2: Open OST File Using Automated Software
To open OST file from another user, you need to convert OST to PST file format. After that, the converted .pst file can be easily accessed on the Outlook interface. And to do that, there is a variety of software present. One such tool is OST Converter. This is a more direct and simpler method of converting an OST Outlook Data File to a PST file type.
This converting tool is a straightforward utility that allows you to convert any orphaned or offline OST files to PSTs. It also allows you to export an encrypted OST file to a different Outlook profile, Live Exchange, or Office 365 account—the Technician edition is required.
Conclusion
Before you can view an OST file into another computer or Outlook Profile, you must convert it to another Outlook Data File type, often PST (Personal Storage Table).
You may use the Outlook Import/Export Wizard to transfer an OST file to a PST file. However, you will only be able to do so if you have access to your Outlook or Exchange account. If you do not have this access, you can attempt to export an OST file to a PST file using above mention tool.
You may also use these tools or services to export OST files to Live Exchange, Office 365, or other Outlook accounts. It also supports batch OST file conversion and the conversion and export of encrypted OST files.
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