- Extension
- .ost
- .dotx
- Format
- Binary
- Binary
- Category
- Email
- Document
- Developer
- Microsft
- Microsoft
- 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.
- A DOTX file is a template created by Microsoft Word, a word processing program. It contains default layouts and settings for a document, including styles, AutoText, toolbars, and macros. DOTX files are used as a baseline to create multiple .DOCX documents with the same formatting.
- MIME Type
- application/x-ms-offline-storage
- application/vnd.openxmlformats-officedocument.wordprocessingml.template
