Convert Excel XLSX To XLS

excelThe XLSX format is a Microsoft Excel 2007 format that is not compatible with older versions of the said application. Luckily, there are alternatives to converting a 2007 Excel document to an older version of it. I prefer the online way but there is also a compatibility pack for MS Office that does the trick. The format is currently not supported by GMail attachment viewer or any of the online office suites like Google Docs so you have no choice but to have it converted to an old format else you will not be able to view it.

However, you can easily convert .xlsx spreadsheet to the traditional .xls format using the Microsoft Office compatibility Pack available here. This will help you open, edit, and save .xlsx files in Office 2000, Office XP, or Office 2003. More details on Office 2007 FAQ.

Alternatively, you can convert .xlsx to .xls or other text formats online using the service here. Unlike the Microsoft compatibility pack, the Zamzar .xlsx to .xls conversion services will not require a copy of Microsoft Office on your computer.

And if you have OpenOffice, Zamzar can also convert the XLSX file to OpenDocument spreadsheet format.

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  1. 39 Responses to “Convert Excel XLSX To XLS”

  2. i am having set of xlsx and pptx files, need to convert those to xls and ppt. but the command line is not doing any help.

    for the the xlsx i tried

    c:\Program Files\Microsoft Office\Office12>excelcnv -oice c:\xl.xlsx c:\xl.xls

    it gives out a xl.xls but its just the copy of my input xlsx file when i open that file in the office 2000 it gives error. i just renamed the xl.xls to, now i can see the xmls inside. so it just created the copy of my input file and renamed it to xl.xls.

    Any help on this highly appreciated.


    By Arunkumar on Aug 5, 2008

  3. why dont you try using zamzar website service to convert xlsx to xls as stated in my post. the link is there :)

    By tech on Aug 5, 2008

  4. I came across an amazing site which converts xlsx to xlx in seconds and its free,

    Do try that

    By Shreekant on Nov 10, 2008

  5. cool. thanks for that

    By tech on Nov 10, 2008

  6. Anytime…

    By Shreekant on Nov 11, 2008

  7. I tried

    Its really amazing

    Thanks a lot


    By Nisha on Nov 13, 2008

  8. does not work

    By Sno2005 on Nov 13, 2008

  9. i guess this will do for now lolz. or, if we’re too lazy we can always use google’s free online service. i think it can also do that

    By tech on Nov 13, 2008

  10. Huh, I keep using everyday, no problem whatsoever, try checking now

    By Shreekant on Nov 15, 2008

  11. Hi, does work for me

    By Nisha on Nov 15, 2008

  12. sheetconverter seems to be broken.

    Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 65 bytes) in /var/www/sheetconvert/Classes/PHPExcel/Worksheet.php on line 966

    By matteo on Nov 30, 2008

  13. that is one mighty big file. it may have a limit. you could email them and ask

    By tech on Nov 30, 2008

  14. Thanks a lot Shreekant…U have made my work simple…

    Thanks buddy

    By Nadira on Dec 7, 2008

  15. Anytime Nadira:)

    By Shreekant on Dec 13, 2008

  16. Hey thanks buddy. This really helped me out a lot! I needed to send information to some co-workers but the compatibility wasn’t the same. Thanks for bridging the gap.

    By Don on Feb 18, 2009

  17. hey my pleasure dude … glad it helped ya in big ways

    By tech on Feb 18, 2009

  18. Thanks very much for the conversion, it was a lifesaver. Makes life so much easier. It has helped many people in AZ to get their results for a big race much faster. js

    By Josie on Mar 22, 2009

  19. great to hear that josie :)

    By tech on Mar 22, 2009

  20. I installed the compatibility pack but it doesn’t work in converting to the xls file. Not helpful.

    By Alex on Apr 11, 2009

  21. if it works for others, there is no reason why it should not work for you. you must be using something different

    By tech on Apr 11, 2009

  22. There are some online converters like

    By Michael on Apr 27, 2009

  23. This post was super helpful. My past experience with Zamzar wasn’t very favorable, so I went with the MS compatibility pack. The download took seconds, and when I opened the .xlsx file it took just seconds more to convert. Usually I try to remember to save my 2007 files (at work) in compatability mode BEFORE I plan to access them from home – but this is just as quick and I dont have to worry about forgetting. Thanks!

    By Meg on Apr 30, 2009

  24. you are welcome. please do not forget to rate the post and subscribe to my feeds for other tips and tricks. thanks

    By tech on Apr 30, 2009

  25. Couldn’t get to work! Just gave me the .xlsx file I was trying to convert to .xls in the same unreadable/incompatible format as when I tried to open it in Excel. What did I do wrong?

    By Deborah on Jun 23, 2009

  26. perhaps something is wrong with your xlsx file? i never had problems with mine

    By tech on Jun 23, 2009

  27. My boss dosent have XLXS and need to convert mine back xls.Ive got vista and he doesnt.What do i do?

    By Rick on Feb 22, 2010

  28. i dont understand. your boss needs XLSX converted to XLS?

    this post tells you exactly how to do it. there is a link there of a website that can convert XLSX to XLS

    By tech on Feb 22, 2010

  29. How do you use it in c# or visual basic for example to convert xlsx to xls?

    By Chacalom on Feb 25, 2010

  30. sorry. i dont know how ;)

    By tech on Feb 25, 2010

  31. much appreciated lots, I must say your website is excellent!

    By Abby Pharis on Apr 13, 2010

  32. very much appreciated! briliant idea! thanks!

    By ovi on May 23, 2010

  33. thanks!

    By tech on May 23, 2010

  34. what about office 97 it still works great

    By Dan Rufo on Jul 2, 2010

  35. this is for those without ms office ;)

    By tech on Jul 2, 2010

  36. What Office 97 is better than old version?

    By Chand Sohail on Apr 14, 2011

  37. @chand: i’d think that nobody uses versions lower than office 97 these days …

    By tech on Apr 14, 2011

  38. Thank’s a lot! Edoardo

    By Edoardo on Jan 14, 2013

  39. I use this XLSX to XLS Converter :

    it also work vice versa and also allow you to create and read excel file and also other MS Office files.

    By sameena on Jul 19, 2013

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