Solved – Cannot Open Outlook in Offline Mode

It is a well-known fact that Outlook can do more than just send or receive emails. It is referred to as a personal information manager; meaning it can be used to manage your multiple email accounts, contacts, calendars, appointments all in one place.

In addition to all of this, Outlook also allows you to access emails, calendar, appointments and other info even when you’re offline. This is made possible through a file called OST (or PST) that stores all Outlook data on your local computer.

Occasionally you may encounter issues when using Offline Mode. And today in this article, we discuss an error that reads ‘Cannot open Outlook in offline mode’ and some solutions to resolve the same.

Solution 1: Generate a new OST file

Normally, this error is seen when your OST file is corrupt. Corruption can happen due to various reasons such as network issues during OST synchronization process, bad sectors on the drive where the file is stored etc.

Thankfully, it is possible to download a new OST file to replace the corrupt one. To do so, follow the steps below.

  1. Launch Outlook and click on File > Info
  2. Select Account Settings > Account Settings
  3. In the Email tab, select Microsoft Exchange > Settings > More Settings
  4. In the Advanced tab under More Settings, select Offline Folder File Settings
  5. Browse a location to save your OST file and click Ok

Now that a new OST file is created, go ahead and delete the old one. To delete the old OST file, follow the steps below.

  1. Press the Windows + R keys to open Run dialogue
  2. Type ‘%LOCALAPPDATA%\Microsoft\Outlook\’ and hit Enter
  3. Now identify the old OST file and click on Delete to delete the old OST file

Solution 2: Use Remo OST to PST converter

If you don’t want to go through the manual hassle of creating a new OST and deleting the old one, you can make use of an automated tool such as Remo’s OST to PST converter. The software takes your corrupt OST file, identifies and corrects issues and converts it to a healthy PST.

Once it has been converted to a PST, all your emails, calendars, contacts, appointments etc. can be recovered easily. The advantage of using the software is that it keeps the OST folder structure and data in the same format as it was originally.

What’s more is that the software can automatically find and repair the OST file. So you don’t have to bother about finding the OST’s location which can be pretty challenging.

How to use Remo Repair OST to PST converter?

Once you download and install the Remo OST to PST converter, launch the software. Then allow the software to find the OST file. (Of course, you can also choose the file yourself if you know the location).

Then provide a destination folder to save the converted file and click on Next to start the conversion process. That’s all you have a brand new PST with all Outlook attributes. This software is available for a free trial. Download and try today!

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