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There is a group of Email file formats, which usually are intended for storing individual mail messages (letters), or contact data, personal information, calendar, address books and so on. There are plenty of them, because almost every email program uses its own set of such formats.
Most of the online web-based email services (aka Webmail) and desktop applications are designed to create mail messages, send and receive them. In contrast, with our free Email Editor App you can upload files with email messages and other data, edit the content directly in the browser, and download the edited version. So, unlike online email services like Gmail, Email Editor App doesn’t allow you to send or receive mail messages, but it allows you to upload, view, modify and download existing mail messages.
Using the Email Editor App is extremely easy. Just drag and drop a mail message file on the white area, located above, or upload a file by clicking on that area, edit the content as you wish and save on completion. With our Email Editor App you can view and edit not only the mail content, but also the metadata: title (Subject), sender (From), one or many recipients (To), CC, BCC, date-time of creation, a list of attachments and so on. Some formats, like PST, may contain a list of mail letters — Email Editor App allows to view and edit them all. For the mail content, Email Editor App supports complex text and paragraph formatting features.
This online Email Editor App, because of its web-based nature, is absolutely portable and multi-platform — you only need a usual and quite up-to-date web-browser (like Chrome, Firefox or Safari) without any additional plugins required, and no matter on which platform you’re using it: desktop PC or smartphone, Windows, Linux, or macOS, Android or iOS.
OST or Offline Storage Files represent the user's mailbox data in offline mode on the local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with the server. Once the file is created, the data is synchronized with the email server so that it is available offline as well in case of disconnectivity from the email server.
You can also edit many other file formats. Please see the complete list below.