How to Open NST File in Outlook? Complete Guide

Are you looking ways to open NST file in Outlook? You may find that Outlook doesn’t offer direct option to open an existing NST file. NST file stores cached Outlook data associated with Microsoft 365 Groups. It makes accessing an old or orphaned NST file difficult, particularly when the original Outlook profile is unavailable. In this guide, we will cover everything about NST files. How to open or access NST file data on Outlook using manual and professional methods.

What is an NST File in Outlook ?

An NST file is created in Outlook, an extension of the Outlook account. They are stored on a local machine whenever we create them in Outlook. An NST file has the NST extension. Users can find NST files in local storage that is used by Outlook or Microsoft 365 Groups.

Outlook NST File Locations:

On modern Windows systems, NST files are mostly stored in Outlook data folder: C:\Users\%user_name%\AppData\Local\Microsoft\Outlook\
If you have an orphaned NST file and original Outlook profile is unavailable, then users can use a specialized tool to access its data.

Why Do Users Need Open NST file in Outlook?

There are the following reasons why users may need to access NST file in Outlook.

• Access old NST files: Recover important group emails and cached data.
• Recover orphaned NST files: Extract important data without original Outlook profile.
• Resolve profile issues: Recover cached Outlook Group data after configuration or profile problems.
• Move NST data to Outlook: Move available NST data to Outlook for easy management & access.
• Extract NST data independently: Access stored information without the linked Outlook account.
• Preserve data in PST: Export NST data to PST for archiving, migration or future access.

How Can I Access NST File in Outlook?

Outlook does not offer any built-in option to open individual NST file directly. If original Microsoft 365 account is available, users may access associated group data through Outlook. When only an orphaned NST file is available, a specialized conversion tool may be required to extract the data.

 How to Open NST file in Outlook? 

1. Download and run the tool.
2. The tool can auto-detect NST file directly from configured profile. Users can also use select file or select folder option to add single or multiple NST files.
   
3. Preview the folders/sub-folders that you want.
   
4. Select saving option and choose PST file format.
   
5. Apply the filters and select destination folder.
   
6. Click on Convert icon to open NST.
   
7. Finally, open the converted PST file in Outlook by going to File > Open & Export > Open Outlook Data File & then select converted PST file.

Commonly Asked Queries by Users

• Q 1: What are NST files used for?

  Ans: NST format used to store group data of Office 365 in Outlook.

• Q 2: How do I repair an NST file?

  Ans: If you want to repair an NST file, then you should use our RecoveryTools OST File Repair Tool, which also supports NST files.

• Q 3: Can I Open NST File in Outlook directly?

  Ans: No, there is no direct method to open NST file in Outlook, you must convert it into PST format.

• Q 4: Does this tool export UNICODE PST file?

  Ans: Yes, Our solution exports only UNICODE PST files for all the latest versions of Outlook 2024, 2021, 2019, 2016, 2013, etc.

The Nutshell:

NST files cannot be opened directly in Outlook particularly when they are orphaned or disconnected from the original profile. Hence, by Converting NST to PST offers reliable way to open NST file in Outlook. The tool preserve emails, attachments and other stored data in Outlook while maintaining the folder structure.