The Offline Outlook Data File (OST file) of Outlook allows uses to work in the offline mode (Cached Exchange Mode) when the Exchange Server is down. The default location of an OST file is – C:\Users\AppData\Local\Microsoft\Outlook C:\Documents and Settings\Local Settings\Application Data\Microsoft\Outlook But sometimes it becomes necessary to move the OST file to another location to…

Microsoft Exchange Server handles the substantial amount of business communication of enterprises and allows to get emails without any latency. But, when there is an issue related to the performance of Exchange, then Outlook users need to run some troubleshooting like creating a new Outlook profile. Sometimes, they need to know the address of Exchange…

OST is a file format used by Outlook; OST is an offline folder file that allows you to access emails even if you are not online. If you are looking to migrate OST files to a new computer, then this blog is going to help you with. There is no doubt how important an OST…

An Outlook application can cater to multiple accounts from different email servers like IMAP, POP, Exchange Server, and Office 365. The user should synchronize each account with the server and apply proper settings to be able to send/receive messages. But, the user also needs to update the Outlook application according to the latest updates from…

MS Outlook from Microsoft is one of the most used email clients serving not only Windows users but also Mac users (as Outlook for Mac) providing ease with email handling. With lots of perks on one side, there are some drawbacks on the other. From millions of Outlook users, many go through sudden issues popping…

Emails getting stuck in Outbox is a very common issue faced by many Outlook users. And many times, the email sending process takes a lot of time, and the message gets trapped in Outbox. Sometimes, Outlook displays error messages also. There are many possible reasons for Outlook not being able to send emails. Here, we…

The unknown error “0X80072f06” often occurs when Outlook users a try to update offline address book (.oab) from the Exchange server. There could be several reasons behind the occurrence of this error, some of which includes; Improperly updating .oab file Issues with Exchange security certificates Windows system file damages Improper installation of the Outlook application…

The error “Exchange Server is Unavailable” is frustrating and annoying for any Outlook user. Sometimes, the error gets resolved on its own but may be repeated later. Therefore, we need to find solutions for this error. Before that, let us see the reasons behind this error: What causes error “Exchange Server is Unavailable”? Poor Network…

Cached Exchange Mode is one of the two modes to connect the Outlook application with an Exchange account. The other one is Online Mode. The cached mode has a job of keeping a local copy of the user’s exchange mailbox stored on the hard drive in the form of an OST file. While the Cached…

Microsoft Outlook, in the offline (Cached Exchange) mode, saves all the Exchange mailbox data in a local file named OST file. The changes made by the user in the offline mode are later updated to the server mailbox when the Exchange connection is re-established. As the OST file resides on the user’s computer, it is…