Convert OST to MSG Free — Online & Instant
Convert OST to MSG — Free Online
Fast, secure, no software needed.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
How to Convert OST to MSG
Converting .ost files to .msg is fast and simple with OpenAnyFile. OST is a email format: OST is an offline Outlook data file for Exchange accounts. MSG is a email format: MSG is Microsoft Outlook email message format.
- Upload your .ost file to OpenAnyFile
- Select MSG (.msg) as the target format
- Click "Convert" and wait for processing
- Download your converted .msg file
Why Convert OST to MSG?
There are several reasons to convert from .ost to .msg:
- Compatibility: .msg may be more widely supported by software and devices
- File size: Converting between formats can reduce file size for easier sharing
- Editing: MSG may offer better editing capabilities for your workflow
- Sharing: Recipients may prefer .msg files for their daily use
About OST Format
OST is an offline Outlook data file for Exchange accounts. Category: Email. Extension: .ost. Created by: Microsoft.
About MSG Format
MSG is Microsoft Outlook email message format. Category: Email. Extension: .msg. Created by: Microsoft.
Frequently Asked Questions
How do I convert .ost to .msg?
Upload your .ost file to OpenAnyFile, select MSG as the target, and download the converted file.
Is OST to MSG conversion free?
OpenAnyFile offers free file analysis. Conversion may require a one-time payment depending on the file.
Will I lose quality converting .ost to .msg?
OpenAnyFile preserves maximum quality during conversion. Some format-specific features may not transfer between different file types.
Can I convert .msg back to .ost?
Yes, you can convert .msg to .ost using OpenAnyFile as well.