Friday, September 30, 2011

SharePoint 2010 | Enabling Blocked File Types


We cannot add several file types to a SharePoint Site with SharePoint Designer or through a WSP solution. Examples are: ashx, dll, exe, msi.

Error: "Server error: The following file(s) have been blocked by the administrator: /Style Library/Empower/images/Imfuscator.dll"


- From Microsoft: place your files in a zip and upload them packaged

- Configuring Central Admin:

Security, Define blocked file types (/_admin/BlockedFileType.aspx)

- For SharePoint Online / Office 365: Issue a "Service Request" (

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