Error message in Office when a file is blocked by registry policy settings

A file is blocked when you open or save the file in a Microsoft Office program. In this situation, you may receive an error message that resembles one of the following:
  • You are attempting to open a file that is blocked by your registry policy setting.
  • You are attempting to open a file type <File Type> that has been blocked by your File Block settings in the Trust Center.
  • You are attempting to open a file that was created in an earlier version of Microsoft Office. This file type is blocked from opening in this version by your registry policy setting.
  • You are attempting to save a file that is blocked by your registry policy setting.
  • You are attempting to save a file type <File Type> that has been blocked by your File Block settings in the Trust Center.

Resolution

To resolve this issue, try the following general resolutions to change the File Block settings based on the version of Office that you installed:

For Office 2013 or Office 2010
For Office 2007 or Office 2003

More Information

For more application-specific resolution methods that you can try, see the following articles.

Word: I receive an error message when I try to open or save a file in Word
Excel: I receive an error message when I try to open or save a file in Excel
PowerPoint: I receive an error message when I try to open or save a file in PowerPoint
Visio: I receive an error message when I try to open or save a file in Visio

The issue can also occur when you open an embedded or linked Office file in an Office application. For example, you have a Visio object embedded in a Word document. When you try to open the Visio object, you receive a similar error message in Word. To resolve this issue, you must change the File Block settings in the application that owns the blocked file type. In this example, you must change the File Block settings in Visio instead of in Word. If the error message mentions Excel file type, go to Excel to change the File Block settings.
The following tables contain the all DWORD values that you can add to the FileOpenBlock subkey and the corresponding file types.

Word
DWORD valueFile types that are affected
OpenXmlFiles.docx, .dotx, .docm, .dotm, .xml (Word Flat Open XML)
BinaryFiles.doc, .dot
HtmlFiles.htm, .html, .mht, .mhtml
XmlFiles.xml (Word 2003)
RtfFiles.rtf, .doc (Word 95), .doc (Word 97 release version)
ConvertersAll file formats that are available by using a text converter (including the Office Compatibility Pack)
TextFiles.txt
WllFiles.wll
InternalFilesAll Word file types that have a non-RTM nFib value
FilesBeforeVersionAll Word files that have an nFib value lower than the minimum nFib value as set by an administrator

Excel
DWORD valueFile types that are affected
OpenXmlFiles.xlsx, .xlsm, .xltx, .xltm, .xlam
BinaryFiles.xls, .xla, .xlt, .xlm, .xlw, .xlb
Binary12Files.xlsb
HtmlandXmlssFiles.mht, .mhtml, .htm, .html, .xml, .xmlss
XmlFiles.xml
DifandSylkFiles.dif, .slk
TextFiles.txt, .csv, .prn
XllFiles.xll
ConvertersAll file formats that are available by using a text converter (including the Office Compatibility Pack)
DatabaseandDatasourceFiles.odc, .udl, .dsn, .dbc, .dqy, .iqy, .oqy, .rqy, .mde, .mdb, .dbf, .ade, .adp, .cub
LotusandQuattroFiles.wk1, .wk4, .wj3, wk1 FMT, .wks, .wk3, wk3 FM3, .wj2, .wq1, .fm3, .wj1
LegacyBinaryFilesMicrosoft Excel 4.0 Charts (.xlc) files (Office 2003 SP3)
LegacyDatabaseAndDatasourceFilesDBF 2 (dBASE II) (.dbf) files (Office 2003 SP3)

PowerPoint
DWORD valueFile types that are affected
OpenXmlFiles.pptx, .pptm, .potx, .potm, .ppsx, .ppsm, .ppam, .thms, .xml
BinaryFiles.ppt, .pot, .pps, .ppa
HtmlFiles.mht, .mhtml, .html, .htm
Outlines.rtf, .txt, .doc, .wpd, .docx, .docm, .wps
ConvertersThis policy will prevent the opening of PowerPoint presentations that are opened by using third-party converters or the Office Compatibility Pack.
FilesBeforePowerPoint97This policy will prevent the opening of files older than PowerPoint 97 that have file types such as .ppt, .pot, .pps, and .ppa.
內容

文章識別碼:922850 - 最後檢閱時間:2017年2月17日 - 修訂: 3

Microsoft Word 2013, Microsoft Excel 2013, Microsoft PowerPoint 2013, Microsoft Visio Professional 2013, Microsoft Visio Standard 2013, Microsoft Word 2010, Microsoft Excel 2010, Microsoft PowerPoint 2010, Microsoft Office Word 2007, Microsoft Office Excel 2007, Microsoft Office PowerPoint 2007, Microsoft Office Word 2003, Microsoft Office Excel 2003, Microsoft Office PowerPoint 2003

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