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In my project i hava a requirment to convert doc,docx,xls,xlsx,tiff,txt files to PDf format.

The txt,tiff,Xls,Doc convertion already achieved using java code.
But the problem is while converting Docx/Xlsx the data was missing.

Can you please any one help me to achieve this.
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Comments
ZurdoDev 12-Jul-13 12:15pm
   
How can we know why your data is missing? You haven't posted any code.
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Solution 3

For the file formats you have listed, doc, docx, xls, xlsx, tiff, and txt files are data formats. PDF is a printer format, in that PDF pages are an image or projection of a printer page. There is even some work in the linux world to 'print' to PDF format as a step in communicating with a real printer (as a way to reduce the rediculous number of printer drivers).

If you want to 'convert' something to PDF, you merely print it, with PDF as output type. If there is something missing in the PDF that you are looking at, the fault lies in how the document was 'printed' to PDF. This is no different from printing to an actual printer device.
   
Comments
   
Best answer so far, my 5. It explains the different nature of PDF as opposed to Office (and many other) types of document.
That said: strictly speaking, "conversion" without data loss is impossible.

Nevertheless, I added one more, solution 4, where I add more to explain things and add a couple of useful references to my past answer explaining the use of different APIs (notably Open XML SDK) to actually do the conversion, albeit with some data loss.

—SA
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Solution 1

Any type of document (doc, docx, xls, xlsx, tiff, txt) file can be converted to PDF using java program.
Please find the code for document conversion in the given link.
Convert to PDF
   
Comments
Shubhashish_Mandal 23-Jul-13 7:28am
   
+5
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Solution 4

Strictly speaking, it cannot be done totally without data loss, due to the nature of PDF, as opposed to Office documents. Excel and other Office documents carry much more information: they are flexible, fluid, can be rendered to different paper sizes. Besides, they support inner structure: for example, if you have auto-numbered sections in your Words document, you can always add a new one, and the content will be automatically re-numbered, TOC updated, and a lot more stuff like that, notably, styles. Excel documents contain formulas. They are structured: they execute, not rendered on paper.

With PDF, nearly all such information is lost.

Please see my past answers:
Convert Office-Documents to PDF without interop[^],
Question Convert word to PDF without offce or openoffice[^].

—SA
   
v2

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