How to Open an OST File in Outlook

First of all, Emails are now essential to modern communication. Additionally, you’ve probably come across OST (Offline Storage Table) files if you use Outlook email client. In this blog we will see what is OST file and How to Open an OST File in Outlook?

Understanding the OST Files

It’s important to understand the “what” and “why” of OST files before delving into the “how.” For users who operate in an Exchange environment in particular, OST files are a crucial component of Microsoft Outlook. With the help of these files, you can work offline without requiring an internet connection to check your mailbox. When you reconnect to the server, any modifications you make are synchronized.

How to Use Outlook to Open an OST File

Let’s get right to the point: how to use Outlook to open an OST file.

Step 1: Find the OST file: OST files are normally kept on the hard drive of your computer. C:\Users\<Your Username>\AppData\Local\Microsoft\Outlook is the default location. It is imperative to verify the route, though, as it may differ based on your Outlook configuration and version.

Step 2: Make an OST file backup Making a backup of your OST file is generally a smart idea before making any modifications. Just copy and paste it somewhere so that you can recover if something goes wrong.

Step 3: Transform OST to PST: OST files cannot be directly opened by Outlook. You must convert the OST file to a PST (Personal Storage Table) file in order to view the contents. There are several third-party tools that can be used to carry out this conversion but we would recommend you to use the Free OST to PST Converter by a2zMigrations.

Step 4: Open Outlook and import PST: Importing the PST file into Outlook is simple once you have it. That’s how:

  • Start Outlook.
  • Select ‘File’ > ‘Export & Open’ > “Export/Import.”
  • Choose “Import from another file or program.””
  • “Outlook Data File (.pst)” is chosen.”
  • Navigate to your PST file and import by following the instructions.

It’s that simple! An OST file has been successfully opened in Outlook.

In summary

Although OST files may initially seem mysterious, they can be readily converted and accessed in Outlook with the correct information and resources. The ability to open an OST file is an essential ability for any Outlook user, regardless of the reason for the file—lost emails, device switching, or just creating a backup. So, don’t worry the next time you have this difficulty; if you follow these instructions, your emails will arrive exactly where you need them.

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