PST Mail Viewer
Open Outlook file & OST Reader
$7.99
Read & search Outlook PST & OST files
Open and explore Outlook PST & OST email archives directly on your iPhone or iPad. PST Mail Viewer lets you browse folders, read messages, and search emails — all offline and on your device.
Pay once. Use on iPhone, iPad & Mac.
No subscription. No ads.
Key Features
• Open PST & OST email archive files
• Browse folders and subfolders
• Read email subjects, senders, recipients, and dates
• View email body content (plain text and supported formats)
• Search emails by keyword
• Preview and export attachments
• Works offline — no internet connection required
Privacy First
PST Mail Viewer processes PST & OST files locally on your device.
• No user accounts
• No analytics or tracking
• No data collection
• No server communication
File Access
The app uses the iOS document picker to let you select PST/OST files from supported locations such as the Files app or iCloud Drive. Access is limited to files you explicitly choose.
Important Information
• This app is not affiliated with Microsoft or Outlook
• PST/OST is a file format developed by Microsoft
• Performance may vary depending on PST file size and device capability
PST Mail Viewer provides a simple, private, and reliable way to access PST email archives on iOS.
Send feedback to: admin@yenpi.com
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
- Fixed text encoding issues that could affect French, Thai, and other non-English email content.
- Included general reliability and compatibility improvements.
The developer, 延平 陈, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 延平 陈
- Size
- 16.6 MB
- Category
- Productivity
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 12.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 18 more
- English, Arabic, Czech, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © yenpi 2026
