PST stands for Personal Folder File.
Outlook Data File (.pst) stands for Personal Folder File in Microsoft Outlook. It's a file format which stores all the database of Outlook such as emails, contacts, attachments, notes, calendar etc.
How to Increase Outlook PST File Size
An Outlook PST file exceeding the 50 GB size limit is prone to corruption and may result in a "cannot open the PST file" error. In case the PST file gets corrupted, you will not be able to access the PST file and its contents unless the file is repaired. Greetings, Peter
Most probably the .pst file is damaged. Try running scanpst.exe (installed along with Outlook on your system) on the pst file. It repairs the file and makes it resuable. Outlook Pst file doesn't opens because of many reasons like corruption of PST file, PST size getting bigger than 2gb. Try to use recover pst file thanks to application below under all Windows OS, beginning with MS Windows 98
Microsoft Outlook creates a PST file, while you configure an account in Outlook. The PST stores copies of messages, calendar, notes, tasks, contacts and other items. PST file may get corrupted because of many reasons, in that case, you would be unable to open Outlook. The reasons could be Virus, improper outlook shutdowns, corruption in header files, pst file has reached maximum size limit etc. In that case you can use outlook utility, named Inbox repair tool to fix your pst file.
Outlook 2003 .pst file is not compatible with previous versions of Outlook like 2002, 2002 etc. It can not be directly opened in previous versions of Outlook. To open an Outlook 2003 .pst backup file into 2002, make a new .pst file into 97-2002 format and then import all the data from backup .pst file into this file. Now you can open the .pst file into Outlook 2002. regards Jane
Close outlook completely. Navigation to the location of the PST file in your directory. Create a new folder called archive. Copy and Paste your existing PST file into the Archive folder. Navigate to the Archive folder. Rename the PST file to something that will allow you to remember when this backup was created, (ie, PSTArchive09JUN.pst)
OST :Offline Storage File PST :Personal Storage File both are MS Outlook files. OST files is unreadable but PST file is readable. OST file is Outlook Off-line Storage Table data that is not readable but PST file is Outlook Personal Table data is readable file. More helpful link for OST to PST conversion and discussion follow this blog: - http://geekswithblogs.net/Convert-OST-to-PST
You can only share Outlook PST File by creating copy of it.
PST itself a file format of Microsoft Outlook email client. So, I think you are bit confuse about your query.PST file single file format which stores all the information of MS-Outlook such as emails, attachments, contacts, address and so on. Outlook uses the .pst extension to save their database.For more about Outlook PST Data File, go to the source link.
The full form of ftp is file transfer protocol.
the full form of ftp is File Transfer Protocol.