FIELD GUIDE / BEST IPAD VIEWER
Best email file viewer for iPad
One iPad app that opens MSG, EML, EMLX, MBOX, MHT, MHTML, OFT and Winmail.dat locally, with attachments extracted on device.
Use MailFolio to read supported MSG, EML, EMLX, MBOX, MHT, MHTML, OFT and Winmail.dat files on iPad without an account or document upload. Your first successful own-file import is free. Pro adds professional attachment and export workflows.
Your first successful own-file import is free.
Download on theApp StoreUpdated: 2026-10-13
THE LOCAL ROUTE
Four steps. No upload.
- 01
Save the file to Files
From Mail, Messages or a cloud client, save the attachment into Files or iCloud Drive.
- 02
Share it to MailFolio
Tap Share and choose MailFolio, or open the file from inside the app.
- 03
Read and extract
Review sender, recipients, date, body, transport headers, embedded messages and attachments. Remote content stays blocked.
- 04
Export what you need
With Pro, export the message as a searchable PDF, portable EML, self-contained HTML or plain text.
WHAT TO EXPECT
Formats handled in one app
- MSG and OFT Outlook containers
- EML and EMLX standalone messages
- MBOX mail archives
- MHT and MHTML archived pages, and Winmail.dat TNEF containers
Other ways to read the file
Try Files and your mail app first
If the document is a PDF or a format your current app already displays, open it there. You need an email-container reader only when the saved file itself is MSG, OFT, EML, EMLX, MBOX, MHT, MHTML or Winmail.dat.
Ask for a simpler copy
The sender may be able to resend the attachment separately or provide an EML or PDF copy. This is free but may lose the exact original container and depends on their access.
Identify the file before opening it
The extension helps you choose the workflow. MSG and OFT are Outlook containers; EML and EMLX are individual messages; MBOX is a multi-message archive; MHT and MHTML are web archives; Winmail.dat is TNEF packaging. Renaming an unfamiliar file to a more common extension does not convert it. Preserve the source before trying an app.
Use the iPad handoff
Save the file from Mail, Messages or a cloud app into Files. Use Share to open it with MailFolio, or select it from inside the app. MailFolio can also receive documents through system handoff. Once opened, inspect sender, recipients, date, headers and body. A reader is most useful when it exposes the message context, not just a filename.
Handle attachments on the device
For a TNEF or Outlook message, check the attachment list rather than assuming the expected document was included. Preview each file for free; with Pro, save it to a location you choose. An exported PDF of the message is a readable summary; it does not automatically carry all original attachments. Keep the source message when the relationship between mail and document matters.
Review privacy and display limits
MailFolio parses imported content on the iPad without sending it to Eutopix Labs. It blocks remote HTML resources, scripts and forms. Consequently, a newsletter may look different when hosted images are suppressed. Large MBOX archives may take longer on a mobile device. Damaged, encrypted or uncommon future variants may not decode fully.
Decide whether a reader fits your task
MailFolio does not manage an email account or edit the original message. If you need ongoing sending and inbox sync, use a mail client. If you need to read a saved file, inspect an attachment or export a copy, try a representative file with the one free successful own-file import before paying for Pro.
Questions people ask
Which email files open on iPad?
MailFolio supports MSG, OFT, EML, EMLX, MBOX, MHT, MHTML and Winmail.dat.
Do I need a MailFolio account?
No. Saved files are parsed on the device.
Can I extract attachments?
Preview attachments for free. Pro lets you save or share separate copies through Apple system interfaces.
Can I send email from it?
It is a reader and exporter; replies and forwards use Apple system services.
Will every MBOX be fast?
No. Very large or damaged archives can take longer or display incompletely.
Format references
TRY YOUR OWN FILE
Your first successful own-file import is free.
Your first successful import of a new file of your own is free. Reopening saved files and using samples remain free. Preview attachments and a watermarked PDF for free; Pro adds attachment saving, unlimited new imports and clean exports. Pro costs US $3.99/month or $14.99/year as an auto-renewing subscription, or $49.99 as a one-time lifetime purchase. The App Store shows your local price before purchase.