The SGL file extension is a Master Document from the StarWriter 5 versions. It was the native format for this application. It can now be opened by Apache OpenOffice Writer.


The MHTML file is an archived web page document, created by Internet Explorer of the Microsoft Corporation. This file type has been found to be infected in the past and should carefully be scanned by an antivirus software application when a file of this type is sent to you.

Mime type: message/rfc822


The AZW file format is a eBook format that is primarly associated with the Kindle Company of


An EPUB file is an eBook that is associated with Open Publication Structure by the International Digital Publishing Forum. EPUB is the file extension allows publishers to produce and send a single file. EPUB files are basically a ZIP file with XML and/or HTML eBook content with a XML file describing the contents. The applications of Adobe Digital can be used to read these files.

Mime type: application/zip


File extension: MPP File type: Project File The MPP file type is primarily associated with ‘Microsoft Project’ by Microsoft Corporation. With Project you can set up projects, keep project teams aligned, and track and analyze projects. Housatonic and KaDonk have free Project file viewers (registration may be required). OpenProj is a free Project program for multiple platforms and can read MS Project files. Primary association: Microsoft Project Company: Microsoft Corporation Mime type: application/, application/msproj, application/msproject, application/x-msproject, application/x-ms-project, application/x-dos_ms_project, application/mpp, zz-application/zz-winassoc-mpp Identifying characters Hex: D0 CF 11 E0 A1 B1 1A E1 00 , ASCII: Related links: Housatonic Microsoft Project Viewer, KaDonk LiveProject Free Project Viewer, OpenProj, AmiProject


The OpenDocument Spreadsheet template that uses the OTS file extension is an OASIS format that is expected to become one of the standards for document sharing as a part of the Open Document Format for Office Applications. Although several software suites can open the OTS file extension, one of the most common is the OpenOffice/StarOffice suite by Sun Microsystems Inc..

Mime type: application/vnd.oasis.opendocument.spreadsheet-template, application/x-vnd.oasis.opendocument.spreadsheet-template


A PRN file is a Printer Text file that it sent to a printer in order to get the output. The PRN file is the output of a programs information that a user has intented to send to a printer, which is stored in a PRN file before it reaches the printer.


The SXC file format is an OpenOffice Calc document. This is the software to create or edit spreadsheets in the OpenOffice package much like Excel in the Microsoft Office package.

Mime type: application/vnd.sun.xml.calc


The WPD is a document file format that is primarily associated with the Software602 application ‘602PC Suite’. The ‘602PC Suite’ is a suite that contains four applications: a digital photo organizer, a spreadsheet program, a graphics editor and a word processor. It is an alternative to the Microsoft Office package.

Mime-type: application/octet-stream


The XPS file type is mainly associated with Microsoft. XPS, previously known under codename Metro, is a specification for a page description language and a file format originally developed by Microsoft. Documents are shown exactly as how they will be printed ( just like the PDF format).  The file type itself is based on XML and is basically a zipped XML file. It was first shipped with Windows Vista and is pre-installed on  newer Windows versions.

MIME TYPE: application/