List of Extensions starting with the letter O – Name and description

List of All the File Extensions Formats and Types Starting With the Letter O

 

  • .OA0 B.O.U.T. Evolution texture
  • .OAB Microsoft Outlook offline address book
  • .OAD  Suite Notaro
  • .OAW openArchitectureWare workflow
  • .OAZ NetFax Manager OAZ fax image
  • .ODS
    • OpenDocument spreadsheet
    • Microsoft Outlook Express mailbox files
    • NCompass Labs internet related script
  • .ODT
    • ODT text document
    • MindRender Virtual Reality Explorer Kit (VREK) object files
  • .OEDB Microsoft email database
  • .OEM OEM data used during device installs
  • .OER AU OER TOOLS project
  • .OET eSignal order entry ticket
  • .OIL Open Image Library Format image format
  • .OUTLINE  FontTwister letter outline
  • .OUTLOOK97 Microsoft Outlook custom mail
  • .OUX Bibexcel