Mailward
Open and search Outlook PST files in your browser
Mailward opens Outlook PST and OST archives — plus OLM, MBOX, EML, and MSG — directly in your web browser. It works on Mac, Windows, and Chromebook without Outlook or Exchange.
Your data stays private: files are parsed locally on your own machine, and nothing is uploaded to a server. Multi-gigabyte archives open through paged streaming instead of loading the whole file into memory.
Reading, browsing, full-text search, single-message export, and attachment saving are free. Batch conversion to MBOX/EML/CSV, attachment ZIP export, and opening multiple archives side by side are a one-time $19 Pro license — no subscription.
Makers
Indie developer — building Mailward
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