I have a document library with a custom document template. The template is an .XLTX file that I created using Excel 2010. It is associated to the library via a custom content type.
The template worked without any problems for at least a couple of weeks. Then, about a week ago, SharePoint started issuing the following warning when trying to create a new document using the template:
"The document could not be created. The required application may not be installed properly, or the template for this document library cannot be opened. Please try the following:
Check the General Settings for this document library for the name of the template, and install the application necessary for opening the template. If the application was set to install on first use, run the application and then try creating a new document
If you have permission to modifyu this document library, go to General Settings for the library and configure a new template."
This issue happens for myself, and some of my colleagues but not everyone. It happens on both SharePoint 2007, and 2010. We all have MS Office 2010 (32-bit) installed on our client machines. I have already tried changing the file extension application association
for .XLS, .XLSX, .XLTX and .XLT to make extra sure that they are all pointing to Excel 2010. It didn't
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