- Extension
- .ost
- .html
- Format
- Binary
- Text
- Category
- Email
- Developer
- Developer
- Microsft
- World Wide Web Consortium (W3C)
- Description
- n OST file is a data file created by Microsoft Outlook (2005 or later), an email client and personal information manager. It is used to store a copy of mailbox information from an Office 365, Exchange, or Outlook.com account. OST files may contain email messages, contacts, tasks, calendar data, and other account information.
- An HTML file is a webpage coded in HTML that can be displayed in a web browser. It is used to format text, tables, images, and other content that is displayed on a webpage. HTML files are widely used on the web as most pages within static websites have an ".html" extension.
- MIME Type
- application/x-ms-offline-storage
- text/html
