You can’t open an OST file directly without Outlook, but you can easily access it using an OST Viewer tool or by converting it to PST format. Here is the solutions to open OST file without Outlook installation.
1. Use an OST Viewer Tool (Best Way)
It is the easiest method and no Outlook needed to view your OST file data, steps to do so it.
1. Use an OST Viewer Tool (Best Way)
It is the easiest method and no Outlook needed to view your OST file data, steps to do so it.
- Install BLR OST Viewer tool
- Open the tool and select your OST file
- View emails, attachments, contacts, etc.
2. Convert OST to PST
You can change the OST file into a PST file, and then it can easy open but you need Outlook for that.
- Use BLR OST to PST converter
- Convert your file
- Open the new PST file in any supported email app
Important: OST files are linked to Outlook, so they don’t open normally
Always use a copy of the file to stay safe