Can I try ViceVersa before buying?

Yes. The free trial is a replica of the licensed software and converts 25 items per folder so you can verify results first.

Do I need Microsoft Outlook installed?

No. PST conversions do not require Outlook to be installed on the system.

Are attachments and folders preserved?

Yes. ViceVersa is designed to keep attachments, original folder hierarchy, and email data intact during conversion.

Email conversion software

Convert Email Files.Without the Complexity.

ViceVersa converts emails both ways between EML, EMLX, MSG, MBOX, PST, NSF, TGZ, IMAP and Office 365. HTML, PDF and MHTML are one-way exports — not ViceVersa pairs.

EMLEMLXMSGMBOXPSTNSFTGZIMAPOffice 365

Explore Conversions

Windows desktop appBulk folders supportedAttachments kept

ViceVersa conversions

Email format to email format. Both ways.

These pairs convert between mailbox formats. HTML, PDF and MHTML are one-way exports and live in the product catalog, not in this ViceVersa grid.

EML ↔ EMLX

EML ↔ MSG

EML ↔ MBOX

EML ↔ PST

EML ↔ NSF

EML ↔ TGZ

EML ↔ IMAP

EML ↔ Office 365

EMLX ↔ MSG

EMLX ↔ MBOX

EMLX ↔ PST

EMLX ↔ NSF

EMLX ↔ TGZ

EMLX ↔ IMAP

EMLX ↔ Office 365

MSG ↔ MBOX

MSG ↔ PST

MSG ↔ NSF

MSG ↔ TGZ

MSG ↔ IMAP

MSG ↔ Office 365

MBOX ↔ PST

MBOX ↔ NSF

MBOX ↔ TGZ

MBOX ↔ IMAP

MBOX ↔ Office 365

PST ↔ NSF

PST ↔ TGZ

PST ↔ IMAP

PST ↔ Office 365

NSF ↔ TGZ

NSF ↔ IMAP

NSF ↔ Office 365

TGZ ↔ IMAP

TGZ ↔ Office 365

IMAP ↔ Office 365

Actual software

One Tool. Multiple Email Formats.

ViceVersa is desktop software for mailbox-to-mailbox conversion: EML, EMLX, MSG, MBOX, PST, NSF, TGZ, IMAP and Office 365. Add a file or folder, preview, then convert both ways.

Load single files or complete folders in one pass
Preview emails before you convert
Date filters when you only need a range of messages
No Outlook installation required for PST export

Preview email data in ViceVersa before conversion

How it works

Simple Steps. Powerful Conversion.

The same three-step flow across every ViceVersa email-format pair.

Select Files

Drag in EML, PST, EMLX, MSG, MBOX or other mailbox files — or load a whole folder at once.

Choose the destination email format in ViceVersa

Choose Format

Pick the destination format you need and preview items before anything is written.

Start email conversion and set output location

Convert

Set the output folder and convert. Attachments and folder structure stay with the emails.

Trusted conversion

Built for Reliable Email Migration

Figures already published on ViceVersa — not invented metrics.

2.5M+Users worldwide

50+Countries served

8+Years of experience

24/7Customer assistance

Secure processingNo data loss focusOriginal folder structureAttachments preservedBulk conversionEasy-to-use interface

Privacy first

Your Emails. Your Data. Your Privacy.

ViceVersa is desktop software designed to convert email data without compromising the integrity of your files.

🔒Secure processing

Conversion runs locally on your Windows system.

🛡Data privacy

Your mailboxes stay on the machine you control.

📁Folders kept

Original mailbox hierarchy is retained in the output.

📎Attachments kept

Files travel with the emails into the new format.

⚡Fast bulk work

Convert large folders without one-file-at-a-time steps.

Why ViceVersa?

You have an email conversion problem. We have the tool for it.

ViceVersa is for mailbox migration: Outlook PST, Apple EMLX, Thunderbird MBOX, Lotus Notes NSF, MSG, TGZ, IMAP and Office 365 — without a complicated project.

Easy to use

Graphical steps so technical and non-technical users can finish the job without a long setup.

Bulk conversion

Add a folder of EML files or large PST/MBOX mailboxes and export in one run.

Data preservation

Attachments stay with messages. Folder structure is designed to remain intact.

Money-back policy

Licenses include a refund policy when the software does not meet the stated use case.

Customer reviews

What users say after converting

★★★★★

The NSF to PST and PST to NSF Converter is an excellent solution that easily moves Lotus Notes NSF file data to PST format and PST file items to NSF format without any glitches. The friendly layout of this app made the conversion easier.

Richard Cuadra

★★★★★

The CSV to vCard and vCard to CSV Converter played an amazing role for us by converting CSV contacts to VCF format. Its amazing conversion speed truly mesmerized me.

Troy Mahoney

★★★★★

I am highly surprised by using the PDF Split and Merge Software. Its performance and speed of splitting and merging PDF documents are unmatched. The relaxation I have got after getting this app is invaluable.

Alvaro Coronado

Used by teams worldwide

FAQ

Questions people ask before converting

Install the converter, add EML, PST, MBOX or other supported files, choose the destination format, set an output folder, and start conversion. Folder structure and attachments are kept.

Yes. The free trial matches the licensed edition and converts 25 items per folder so you can check quality first.

No. You can export PST email items to EML and other formats without installing Outlook.

Yes. Attachments are included with the emails in the output file.

Yes. You can load a folder of EML files or large mailboxes and run a bulk conversion instead of handling files one by one.

The converter is designed without a fixed PST size cap, so large Outlook files can be exported.

Ready to Convert Your Emails?

Pick a ViceVersa pair, convert 25 items per folder, and move to a license when the result looks right.

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