- Extension
- .ost
- .docm
- 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 DOCM file is a document created by Microsoft Word, a popular word processor included with Microsoft Office. It contains embedded macros that can be executed within the document. DOCM files are used to automate Word Open XML document (.DOCX) tasks by adding advanced macro functionality.
- MIME Type
- application/x-ms-offline-storage
- application/vnd.ms-word.document.macroenabled.12