During your use of Outlook to manage email on your computer, there may be reasons such as changing devices, reinstalling the operating system, or reinstalling Office. This makes it essential to back up email data in Outlook, allowing you to restore it after the installation is complete.
You can easily back up email data in Outlook with simple steps. Below is a guide on how to back up email data in Outlook 2010.
Step 1: Open Microsoft Outlook.
Navigate to File -> Info -> Account Settings -> Account Settings.

Step 2: Select the Data Files tab and choose the email address below.

Step 3: Choose Open File Location.

Step 4: After the window displaying the file path appears, close Account Settings and exit Outlook. Next, copy the file with the .pst extension to another location for storage.

Additionally, if you wish to restore backed-up email data, follow these steps:
1. Select File -> Add Account. In Add Account, choose Manually configure server settings or additional server types, and select Next.

2. Continue by selecting Next.
3. In Internet E-mail Settings, fill in the necessary information. In Deliver new messages to, choose Existing Outlook Data File, click Browse to locate the backed-up file, and select Next.

From now on, you can completely back up your email data in Outlook to prevent any unfortunate scenarios, ensuring the retrieval of your Outlook email data in case of need.
