sgl

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.

mhtml

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

doc

The DOC file format is a format that is written by Microsoft Corporation for their Word software.  Microsoft Office Word is a enables the sharing and creation of documents using a set of writing options. In the years after the first Word, other versions of Word may slightly differ from the initial content. For instance, The oldest Word will have problems opening a word file from Word 2007. Besides Microsoft Office Word, other software have been designed to open or save DOC files such as OpenOffice, TextMaker Viewer, Zoho Viewer or Free Microsoft Viewer.

Mime type: application/msword [official]. application/doc, appl/text, application/vnd.msword, application/vnd.ms-word, application/winword, application/word, application x-msw6, application/x-msword

lwp

The LWP file extension is a 1996/1997 document associated with Wordpro by IBM as a part of the Lotus SmartSuite.

Mime type: application/vnd.lotus-wordpro, application/lwp, application/x-ami, application/wordpro, zz-application/zz-winassoc-lwp

ods

The OpenDocument Spreadsheets file, or abbreviated to ODS, is an extension that is used for spreadsheet software such as OpenOffice by Sun Microsystems Inc. It is an OASIS format that has been designed to become an leader when it comes to sharing documents. Besides OpenOffice, other products may also make use of this extension.

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

ppsx

The PPSX file extension is the newer format for the old PPS format that makes use of a combination of XML architecture and ZIP compression. It has been created as an open format, so that it can be used by anyone that wishes to.

Mime type: application/vnd.openxmlformats-officedocument.presentationml.slideshow

smf

The SMF file format is a math formula file that is used by Apache OpenOffice Math. Originally it was used by StarMath version 5 and 6. OpenOffice still supports this format even though it has been deprecated.

vsd

The VSD file format is a drawing file used by ‘Visio’ from Microsoft. It uses vector graphics to create business diagrams that can be used for presentations of complex information like database models, flowcharts, charts and a variation of diagrams.

Mime type: application/visio, application/x-visio, application/vnd.visio, application/visio.drawing, application/vsd, application/x-vsd, image/x-vsd, zz-application/zz-winassoc-vsd

xlsm

XLSM is a Macro Enabled Workbook mostly used by Microsoft Excel. It is the new standard for Microsoft Office document and uses XML structure with ZIP compression for file size reduction. Note: this format is not the same as the OpenDocument standard which is also an XML based standard.

MIME TYPE: application/vnd.ms-excel.sheet.macroEnabled.12

docm

The DOC file format is an Open XML format related to the DOC format, that has been written by Microsoft Corporation for their Word software.  Microsoft Office Word is a enables the sharing and creation of documents using a set of writing options. In the years after the first Word, other versions of Word may slightly differ from the initial content. For instance, The oldest Word will have problems opening a word file from Word 2007. The DOCM extension came with the 2007 Microsoft Office. It is a combination of a XML architechture and a ZIP compression. Althought this extension came with the 2007 version, Microsoft has promised that older versions of Microsoft Office are able to convert the DOCM files. Besides Microsoft Office Word, other software have been designed to open or save DOC files such as OpenOffice, TextMaker Viewer, Zoho Viewer or Free Microsoft Viewer.

Mime type: application/msword [official]. application/doc, appl/text, application/vnd.msword, application/vnd.ms-word, application/winword, application/word, application x-msw6, application/x-msword