100+ iOS apps curated and reviewed
The best windat opener apps on iPhone average 4.0★ across 100+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4.9K) | No | Yes | Sep 2026 | |
| 2 |  | Free | 3.6★ (75) | Yes | Yes | Jul 2026 | |
| 3 |  | Free | 3.5★ (18) | Yes | Yes | Aug 2026 | |
| 4 |  | $5.99 | 2.3★ (3) | No | No | Jun 2026 | |
| 5 |  | Free | 2.0★ (1) | No | Yes | May 2026 | |
| 6 |  | Free | — | No | No | Jul 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | 4.1★ (86) | No | Yes | Sep 2026 |
Easily open and view Winmail.dat, MSG, and XPS email files that are incompatible with most email clients. Convert embedded content like appointments and notes into native iOS formats, and access all attachments within these files.
Easily open and access files from winmail.dat attachments on your mobile device. This utility allows you to preview, resend, print, or save contained files without needing an internet connection. An optional purchase removes ads.
Easily open and view "winmail.dat" attachments received via email. This utility resolves issues caused by different mail program formatting, allowing you to access important files sent from Microsoft Outlook.
