Open .mht Files Online Free — No Software Needed
Open MHT File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
What Is a .mht File?
MHT (.mht) is a web file format. MHTML Web Archive It is commonly used by professionals and created by Microsoft.
Step-by-Step: How to Open .mht Files in 2026
Follow these steps to open any .mht file online without installing software:
- Go to OpenAnyFile: Navigate to openanyfile.app
- Upload: Drag and drop your .mht file or click Browse
- Auto-detection: The system identifies the MHT format using signature analysis
- View: Preview and validate the file contents in the browser
- Analyze: Use AI-powered analysis to understand the file structure and metadata
- Convert: Optionally convert to HTML, PDF
Software That Opens .mht Files
Windows
Microsoft can open .mht files natively on Windows. Alternatively, use OpenAnyFile for instant browser access.
macOS
macOS may not natively support .mht files. Use the original application or OpenAnyFile.
Linux
Open-source alternatives or OpenAnyFile provide .mht support on Linux.
Mobile (iPhone & Android)
OpenAnyFile works on all mobile browsers — no app download required.
Common Problems Opening .mht Files
- Your OS doesn't recognize the .mht extension
- The file appears corrupted after downloading
- You don't have Microsoft installed
- Browser rendering
OpenAnyFile bypasses all these issues with universal format detection that works in any browser.
Convert MHT to Other Formats
Frequently Asked Questions
What is a .mht file?
A .mht file is a web format called MHT. MHTML Web Archive
How do I open a .mht file without installing software?
Upload your .mht file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .mht files?
.mht files are typically created by Microsoft.
Can I convert .mht to another format?
Yes. OpenAnyFile converts .mht to HTML, PDF.
Is it safe to open .mht files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .mht on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.