It is not possible to convert Microsoft Office chart templates (.crtx) to other formats. However, you can apply the templates to a multitude of MS Office formats, including spreadsheets and workbook from MS Excel (.xls, .xlsx). This is not actually a crtx to xlsx file conversion, but pretty much the closest thing you can get.
Home > Search converters: crtx to xlsx
Conversion of crtx file format to xlsx file format beta
Search for crtx to xlsx converter or software able to handle these file types.
Convert Microsoft Office chart template to Microsoft Excel Open XML workbook and spreadsheet.
We have found 2 software records in our database eligible for .crtx to .xlsx file format conversion.
Microsoft Windows software 
- convert crtx to xlsx on Windows
Microsoft Excel
A popular spreadsheet application distributed with Microsoft Office suite
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from crtx file | No | No | No | No | No | Yes | No | No |
to xlsx file | Yes, Microsoft Excel supports xlsx file conversion as a target file type. | Yes | Yes | xlsx editor | Yes | No | No | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned crtx to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software 
- convert crtx to xlsx on macOS
Microsoft Excel for Mac
A popular spreadsheet application from the Microsoft Office suite
Additional links: Open crtx file, Open xlsx file
CRTX
Files with crtx extension might be found as chart templates from Microsoft Office 2007 and above.
XLSX
Files with xlsx extension are s used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with the adoption of XML formatting first used in Office 2007. While older xls files were in proprietary binary file format, xlsx spreadsheets use a somewhat altered XML scheme.
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