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Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST files contain data downloaded off your Exchange Server. Because Outlook can't directly import from an OST file like it can from a PST file, if you want to copy your offline data to another computer, you can either configure the email client to connect to your server and create a new OST file, or convert your OST content to the PST format.
Create an OST File
1.
All pokemon emerald gameshark codes. Click 'File,' click 'Account Settings' twice, and then choose your account from the resulting window.
2.
Select 'Change' from the toolbar, and then tick the 'Use Cached Exchange Mode' check box under Offline Settings.
3.
Click 'Next,' click 'Finish' to create the OST file on your hard drive, and then restart Outlook for your changes to take effect.
Convert an OST File to PST
1.
Sign on to the computer on which the OST file was created. Disconnect from your network, and then open or restart Microsoft Outlook.
2.
Select 'File,' click 'Open & Export,' and then click 'Import/Export' to run the 'Import and Export' wizard.
3.
Click 'Export to a File,' choose 'Next,' select 'Outlook Data File (.pst)' from the list of file formats, and then click 'Next.'
4.
Select your email address or choose the folder you want to export data from, and then click 'Next.'
5.
Click 'Browse,' and then navigate to your preferred save location.
6.
Enter an identifying name for your backup file, and then click 'OK.'
7.
Select 'Replace Duplicates With Items Imported,' 'Allow Duplicates to Be Created' or 'Do Not Import Duplicate Items,' according to your preferences. Click 'Next,' and then click 'Finish.'
8.
Type an optional password with which to secure the data, and then click 'OK' to export your data.
9.
Sign on to the other computer or account, and then open Microsoft Outlook.
10.
Select 'File,' click 'Open & Export,' and then click 'Import/Export' to run the 'Import and Export' wizard.
11.
Select 'Import From Another File or Program,' and then click 'Next.' Click 'Browse,' and then go to the network or removable drive containing the PST file you created.
12.
Choose the appropriate file, click 'Next,' choose the folder to import data from or use the default selection to import the contents of the entire file, and then click 'Finish.'
Warning
- Information in this article applies to Microsoft Outlook 2013. It may vary slightly or significantly with other versions.
References (4)
About the Author
Ruri Ranbe has been working as a writer since 2008. She received an A.A. in English literature from Valencia College and is completing a B.S. in computer science at the University of Central Florida. Ranbe also has more than six years of professional information-technology experience, specializing in computer architecture, operating systems, networking, server administration, virtualization and Web design.
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Ranbe, Ruri. 'Opening an OST File in Microsoft Outlook.' Small Business - Chron.com, http://smallbusiness.chron.com/opening-ost-file-microsoft-outlook-76915.html. Accessed 30 May 2019.
Ranbe, Ruri. (n.d.). Opening an OST File in Microsoft Outlook. Small Business - Chron.com. Retrieved from http://smallbusiness.chron.com/opening-ost-file-microsoft-outlook-76915.html
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OST to PST Converter
OST to PST Converter helps you to expertly recover and export corrupted offline folder / OST file to PST file. It can extract all the information like Inbox mails, tasks, drafts, sent Items, messages with attachment, calendar and contacts etc from OST files in every condition. No Exchange Server service or Active directory availability is not required, or log files are required for recovery. OST to PST converter can easily recover mailboxes data, which have been deleted knowingly or unknowingly.
OST to Office 365 Migrator
OST to Office 365 Migrator helps you to expertly migrate OST file mailbox to Office 365 (Exchange online) user account. You can map mailbox from your OST file to the respective Office 365 mailbox / user account during OST to Office 365 migration operation for Exchange Server recovery. You can migrate to Office 365 without installing Outlook on your computer.
OST To Live Exchange Migrator
OST to PST Converter repairs corrupt or damaged Exchange OST files and restores the mailboxes into Outlook PST file. You can easily view Mailbox data from the OST files using MS Outlook application. It supports MS Exchange Server Recovery for 2003, 2007, 2010, 2013 and 2016 corrupt and unmounted database and OST files. Recover and restore data from OST file even if the Exchange Server is down / offline or inactive using OST to PST Converter software.
Exchange OST files Recovery for damaged OST files
Recover and restore data from OST file even if the Exchange Server is down / offline or inactive using OST to PST Converter software. Exchange Server service or Active directory availability is not required for OST to PST Converter tool.
Recovers Calendar Attachments Drafts etc. from the damaged OST files
OST to PST free tool helps you to recover mails, images, attachments, drafts, calendar, journals, appointments, tasks, notes, etc. from the damaged OST files. It's easy to use GUI will enable you to preview all recovered mail items. Apply before/after date, subject, to/from address, attachment name filters for OST export.
OST to PST Converter export to a single / multiple PST files
Using OST to PST Converter tool you can set the size of the PST file to automatically split the PST file for OST to PST conversion. Or you can set OST to PST converter to export your Mailbox to a single PST file. In addition to saving the recovered data as PST file, it also allows you to save the recovered data in EML, MSG, MHT, HTML, TXT and RTF formats.
OST Recovery with No Limitation
EdbMails doesn't have any restrictions on the size of OST file. Thus, you can recover Exchange OST file to PST of any size. There is also no restriction on the number of OST files that can be exported. The OST to PST tool maintains the folder structure intact. Therefore you will get folder structure similar to the original OST file during preview and after the export. Support Non-English Unicode characters which means that you can recover Unicode content like Chinese, French, Japanese etc., on OST export.
Now convert Outlook data files from OST to PST quickly with vMail OST to PST Converter in a few steps. This OST converter tool can recover corrupt mailboxes data from OST files and convert to multiple formats like EML, MSG, MBOX, EMLX, vCard & vCal.Steps to convert OST to PST file
- Open OST file in vMail OST Converter software.
- Choose to save the file type as PST and the destination folder in the Convert option.
- Click on Convert Now to save all Outlook mailboxes data as a PST file.
Download Now- vMail OST to PST Converter
OST and PST are two Outlook data file types used by Microsoft Outlook. I’ve often seen people asking about “OST to PST conversion”. If you’re a complete newbie and stuck in a situation where you have to convert OST file to PST format, you’ve come to the right place. In this article, I’ll help you understand the difference between OST and PST files. Also, I’ll explain few easy DIY tricks which help you import email messages and other mailbox data from OST to PST file.
Whenever the Exchange Server becomes unavailable due to any reason, OST to PST conversion may turn into your primary need. Why? Sometimes it may happen that the Exchange Server has crashed or gone for maintenance. Though an OST file contains all the mailbox content of your Exchange Server, you can’t make the changes since the Exchange Server is unavailable. PST file doesn’t need Exchange Server for synchronization. Therefore, you can convert OST file to PST format if you urgently need to access and use the mailbox data stored in the OST file. There might be many other reasons for OST to PST conversion. Generally, it simply depends upon the situation you’re in. We’ll discuss that later in this article. First, let’s understand the difference between OST and PST files.
Difference between OST and PST
For a novice user, there’s hardly any difference between OST to PST file. Fundamentally, both these Outlook data file types have the same file structure. Even they both store the same type of mailbox data. However, there’s a noteworthy difference between OST and PST files. Novice users might not be aware of it. Being an Outlook data file, both OST and PST store email messages, contacts, calendar, tasks, notes, and other mailbox data including the attachments. If the Outlook client is being used as a stand-alone application, it creates PST (personal storage table). On the other hand, if the Outlook client is connected to Microsoft Exchange Server and the Cached Exchange Mode is turned on, a copy of your mailbox is saved on the local computer system inside a file, called OST (offline storage table).
Note: In order to open the OST file, make sure the Use Offline Folders option is enabled in the Outlook client.
Unlike PST, an OST file doesn’t need the Internet connection to access the emails and other mailbox data. You can create appointments, add new contacts, read & write emails, etc. during the offline mode. And once the Internet connection is re-established, whatever the changes you’ve made earlier will be synchronized on the Exchange Server. However, if there’s any sort of problem with Microsoft Exchange Server, the OST file won’t be affected.
Reasons for OST to PST Conversion
Sometimes you may need to import email messages from OST to PST file. Let’s get familiar with the top 6 reasons which may arise the need of OST to PST conversion:
#1 – Unexpected Crash in Exchange Server
Microsoft Exchange Server is prone to crash and other severe issues. There are various reasons due to which an Exchange Server may crash down unexpectedly. Some of the possible reasons are:
- Sudden power failure;
- Software malfunction;
- Internal bugs;
- Virus infection, etc.
An unexpected crash in the Exchange Server makes the connection unavailable, i.e. there’s no way to connect to the Exchange Server. And it’s hard to tell how much time it requires to repair Exchange Server. This could be the most frustrating situation for any user.
#2 – Maintenance of Exchange Server
You should know that maintenance is unavoidable in software systems. There’s no way to access the mailbox data if the Exchange Server has gone for a regular maintenance. Sometimes it may happen that you need to access the mailbox data urgently. Though the copy of your mailbox data is stored in an OST file, you can’t synchronize the changes with the Exchange Server since it has gone for maintenance.
#3 – Data Migration
If an organization is shifting from one place to another, data migration becomes an essential task. Even sometimes it may happen that you need to migrate the data from one system to another one. You must be aware of the fact that the OST file can only be opened in the computer system which originally created it.
#4 – Switching Workplace
If you’ve left the previous organization where your Outlook profile was connected to the Exchange Server, the OST file is just useless now. Though you can still open the OST file in the Outlook client, you can’t make any changes to it.
#5 – Data Recovery
Sometimes it may happen that you delete some of your mailbox content accidentally from the OST file. Although you can create a new OST file by downloading it from the server. But what would happen if the data has been deleted from the server itself?
#6 – Mailbox Corruption
Outlook data file is prone to corruption, be it PST or OST. There are various reasons for corruption in OST files, such as software malfunction, virus infection, storage media failure, insufficient storage space, etc. If you’re using Microsoft Outlook 2007 or any earlier version, you can use the scanost.exe utility, the Integrity check tool, to repair OST file. What would you do if the scanost.exe fails to repair OST file?
If you just want to read or view the mailbox data, you should use the freeware OST File Viewer tool.
Under all these circumstances, you can convert OST file to PST format so that you can use the mailbox content with no trouble. But now the question is, “how to convert OST file to PST format”. Generally, people recommend a 3rd party paid OST to PST Converter utility that can effortlessly import email messages from OST to PST file. But before you can purchase any paid software, you should try a few easy manual tricks. Microsoft Outlook client has few built-in features which allow you to import the email messages and other mailbox content from OST to PST file without requiring any 3rd party software. Microsoft Outlook has a few built-in features which you can use here.
Trick #1 – Archive
In Microsoft Outlook, you can use Archive feature to move or copy the mailbox items to a PST file. If you want to convert OST to PST format, you can use this feature to have all the mailbox data of an OST file into a PST file. This feature helps you move or copy almost each and every mailbox items, except contacts. You can’t archive Contacts of an OST file. Follow the steps given below:
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Step 1: First of all, launch Microsoft Outlook client on your system.
Now open the OST file from which you want to move items to new PST file.
Step 2: On the main menu, click the File tab >Info.
Select Cleanup Tools in the options.
Step 3: Click Archive… in the list scrolled down.
Step 4: The Archive dialog box will appear there.
The “Archivethis folder and all subfolders” box is checked by default. If it is not, then check it.
Now select any folder from the list that you want to move. For example Inbox.
Step 5: On the same window, you can see an option Archive items older than there.
Select a date from the calendar.
Step 6: Now click Browse to define a location to save new PST file.
Also, give a new name to this new PST file. Click OK.
Step 7: In the edit box, you can see a new PST file along with its location.
Click OK to start the actual process.
It’ll take a couple of minutes to complete the process successfully.
As a result, the new PST file contains the mailbox folder archived from OST file.
Trick #2 – Export to a New PST File
The Export feature of MS Outlook is not that much effective unlike Archive feature to convert OST file to PST format. However, it’s a quick and easy way to move all the mailbox data from OST to PST file. This feature not only allows you to convert OST file to PST format but also in CSV and Excel formats. Follow the steps given below:
Step 1: First, launch Microsoft Outlook client on your system.
You can see a list of PST files in the navigation pane. Also, it includes the new PST file you created earlier.
Step 2: On the main menu, click the File tab > Open>Import.
Convert Ost File To Pst
Step 3: On Import and Export Wizard, select Export to a file in the options.
Click Next to continue the process.
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Step 4: On Export to a file window, select Outlook Data File (.pst) in the options.
Click Next to continue the process.
Step 5: On Export Outlook Data File window, expand the OST file listed there.
Select the mailbox folder you want to export to new PST file. Click Next to continue the process.
Step 6: Now click Browse to select the PST file you’ve created earlier.
Click OK.
Step 7: You can see the selected PST file along with its location in the edit box. You can use other options as well available there.
Finally, click Finish to start the actual process. As a result, the new PST file contains the mailbox folder exported from OST file.
Trick #3 – Drag & Drop
It’s one of the easiest and effective ways to move mailbox data from an OST to PST file. You need to create a new PST file in your Outlook profile, and then drag all the mailbox folders from OST to PST file. Remember, you can’t drag the default folders like Inbox, Calendar, Contacts, etc. into a new PST file. If you try this, you’ll receive a message saying you can’t move default folders. You can only copy the default folders from OST to PST file.
Limitation!
Before using any of these manual tricks, make sure:
- You’re using the same computer system in which you’ve created the OST files. This is the main requirement.
- Also, make sure the connection to MS Exchange Server is available.
- And most importantly, the OST files must be valid, i.e. not corrupt. If the OST files are corrupt, you can’t open them.
Professional OST to PST Converter
If you can’t use the manual tricks, you should better look forward to a professional solution. There are many vendors in the market which provide you OST to PST Converter tool. One such OST Converter tool is provided by SysInfoTools Software that can effortlessly convert OST file to PST format without causing any alteration or changes to the original data. Via this software, you can import email messages and other mailbox data from OST to PST and other popular file formats which include MSG, DBX, EML, and MBOX.
This OST to PST Converter tool is designed with an easy-to-use approach so that any technical or non-technical user can use it with ease. It contains an interactive and self-explanatory user-interface that requires no prior technical expertise. Before purchasing the software, you must download the download the demo version for free evaluation. By using the demo version, you can save first 25 email items of each mailbox folder of the selected OST file into new PST file.
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