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29 Oct

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Case Summary: Customer is able to attach MS Office 2007 files (docx, xlsx, Email- .msg) files but getting page not found (500 error) when trying to read them.
ID: 2801
Date Created: 06/16/2011
Last Modified: 05/31/2012
There is an excellent on-line article about this at


or review the document below.

How to Set Mime Types

1. Open IIS Manager (Start SettingsControl Panel Administrative Tools Internet Information Services (IIS) Manager or Start  All Programs  Admnistrative Tools  Internet Information Services (IIS) Manager) depending on your operating system.

2. In the left-hand menu, expand ‘Sites’ then navigate to the ‘Default Web Site’. In the center part of the screen, in the IIS section, select ‘Mime Types’ by Double Clicking on it.

3. Under ‘actions’ on the right-side menu, select ‘Add’.

For MS Office Word documents, enter the following:
File name extension: .docx
And enter the following for ‘MIME type’:
Click ‘OK’.

4. Repeat for each of the following files that you need to open according to the following table:

.docx Microsoft Office Word 2007 document application/vnd.openxmlformats-officedocument.wordprocessingml.document
.docm Office Word 2007 macro-enabled document application/vnd.ms-word.document.macroEnabled.12
.dotx Office Word 2007 template application/vnd.openxmlformats-officedocument.wordprocessingml.template
.dotm Office Word 2007 macro-enabled document template application/vnd.ms-word.template.macroEnabled.12
.xlsx Microsoft Office Excel 2007 workbook application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xlsm Office Excel 2007 macro-enabled workbook application/vnd.ms-excel.sheet.macroEnabled.12
.xltx Office Excel 2007 template application/vnd.openxmlformats-officedocument.spreadsheetml.template
.xltm Office Excel 2007 macro-enabled workbook template application/vnd.ms-excel.template.macroEnabled.12
.xlsb Office Excel 2007 binary workbook application/vnd.ms-excel.sheet.binary.macroEnabled.12
.xlam Office Excel 2007 add-in application/vnd.ms-excel.addin.macroEnabled.12
.pptx Microsoft Office PowerPoint 2007 presentation application/vnd.openxmlformats-officedocument.presentationml.presentation
.pptm Office PowerPoint 2007 macro-enabled presentation application/vnd.ms-powerpoint.presentation.macroEnabled.12
.ppsx Office PowerPoint 2007 slide show application/vnd.openxmlformats-officedocument.presentationml.slideshow
.ppsm Office PowerPoint 2007 macro-enabled slide show application/vnd.ms-powerpoint.slideshow.macroEnabled.12
.potx Office PowerPoint 2007 template application/vnd.openxmlformats-officedocument.presentationml.template
.potm Office PowerPoint 2007 macro-enabled presentation template application/vnd.ms-powerpoint.template.macroEnabled.12
.ppam Office PowerPoint 2007 add-in application/vnd.ms-powerpoint.addin.macroEnabled.12
.sldx Office PowerPoint 2007 slide application/vnd.openxmlformats-officedocument.presentationml.slide
.sldm Office PowerPoint 2007 macro-enabled slide application/vnd.ms-powerpoint.slide.macroEnabled.12

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