Technical Overview: MS Outlook

Microsoft Outlook the most considered email client used to access Microsoft Exchange Server email, it not only provides Microsoft Outlook access to Exchange server email, but it also includes contact, calendaring and task management functionality. Companies can also access Outlook with Microsoft Share Point platform to share documents, project notes, send reminders and much more. It is used as a stand-alone application. It is written in C++ language. It works on Microsoft windows platform.

General Trivia: Offline Outlook Data File(.ost)

When one uses MS Exchange account, all emails, calendars, and other material is delivered and saved on the server. One can even configure MS Outlook to make and save replica of data on system in OST file. While doing this one is subjected to use Cache Exchange Mode in offline mode. The .ost files are always sync with Exchange computer when a connection is available.

Offline folders are basically the copy of files found in mailbox on system that are having MS Exchange. It becomes easy to take folder from the location present on the server, work with matter of file when not connected to network. The moment one is connected again, update file and its respective server folder to make the matter look alike. It is termed as synchronizing files and folders.

One can even add, delete, and modify content of an offline file. One can send messages included in offline Outbox. Also one can preview matter of the offline public files. In addition to it, all new messages are kept in Inbox present on server, and even other people may add, delete, and modify content in public folders. One is unaware of these changes until you synchronize on the server.

The synchronized information comprises of following:

  • Headers: Header is a descriptive item only on the emails. It provides information like name of sender, subject of the email, time and size of message.
  • Full items: Full item comprises of header, body of message, and attachments, e.g. embedded objects, pictures and many more.

Outlook Offline Files Storage Location

OST files are sync with matter present on the server that has Exchange. The data remains in the Exchange server. One can easily create another .ost file on system without having backup of earlier file.

  • Windows 7 and Windows Vista drive: userAppDataMicrosoftOutlook
  • Windows XP drive: Documents and settingsUserLocal SettingsApplicationDataMicrosoftOutlook

Create OST Files in Different Windows Platform

A) For Microsoft Outlook 2016/ 2013/ 2010

  • Open File tab present on the ribbon >> Click Info
  • Opt for the Account Settings >> Select MS Exchange
  • Double click on MS Exchange >> Hit More settings
  • Select Advance tab >> Choose Outlook Data File Setting // for Outlook 2013
  • In the file box, Give path >> Click ok >> Save files

B) For Microsoft Outlook 2007

  • Open Tools Menu >> Account Settings
  • Open MS Exchange >> double click Exchange
  • Opt for More Settings >> Advance tab settings
  • Click Offline OST files >> Give path to OST file
  • Click on OK button >> Save Offline Storage file

Note: By default, the OST files are saved as OST only. But, if the files exist previously type a new name. Users would even get the message like ‘path’ xyz.ost not found. Will you like to create it again? Click on OK option for this.

C) For Outlook 2002 and 2003

  • Select the Tools menu and click on E-mail account
  • Opt for view and change the existing Mail account, click Next
  • Process all the emails in Outlook as orderbox >> MS Exchange Server
  • Opt for Exchange Server >> Change button >> More Settings >> Advance tab
  • Click on OST file settings >> in filebox type path as .ost >> click OK and save

Users Enquiry Section

“I am using Outlook from ages. Few days back, my Outlook OST data file got corrupted accidentally and the all mails vanished from the OST files. I had very important work in those file. I tried to repair Outlook OST files manually, but it was of no use. Is there any automated solution to repair Offline data file (.ost) ? Moreover, I want to check whether every email is recovered or not. So, is there any way to proceed? Please suggest.”

Yes, if you want to repair Outlook 2016, 2013, 2010, 2007, 2003 OST file, then use OST Recovery is the best suited approach for it. Using the tool, you can easily free preview OST file’s data like mails, address books, to-do lists etc. as it even offers users with an option to convert OST file into PST format. It does not impose any restrictions on the file size in terms of recovering offline OST files. The tool is robust enough, that it maintains the meta-data of the files like read/unread status, message dates, etc. The software is compatible with all the versions of Outlook and Windows.

Summing it Up

The write-up solely tells the users regarding Outlook OST files, different methods to build the OST files in Outlook. The users should try the manual method to recover the data from OST file but it is not that easy and if problem persists, then our OST Recovery tool is the best suited approach to resolve the corruption related issues in OST files.

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Diptesh Kumar Bhakat is proud to be the author of fastest growing tech blogs. He is a tech-savvy, SEO Expert, SMO Expert, SMM Specialist and a professional Blogger. Except blogging, he is so much found in photography, superbike riding. He has a very close attachment to the tech world and loves to blog on his fav topics. He has also contributed to many regional dailies and authored guest posts on some of the leading tech blogs. Professionally, he is a tech blogger and reviewer. he is a very energetic person who constantly puts up an evil smile to counter any obstacle in his manner. This dude is highly unpredictable and in reality, you can’t recognize what’s coming from him…be it his articles, generating an aura, or his personality. Mr. Diptesh is completed his B.Tech in Mechanical Engineering, as everybody thinks about one question that how a mechanical engineer can make a website?? Is it strange!!!!!!!! Yes it is. But there is a big story we will update soon.


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