Warning: Could not start Excel server for export. XLSWRITE will attempt to write file in CSV format.

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Victoria 2018-7-23

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https://ww2.mathworks.cn/matlabcentral/answers/411717-warning-could-not-start-excel-server-for-export-xlswrite-will-attempt-to-write-file-in-csv-format

回答： Victoria 2018-7-23

I have written a code recently. It would processes multiple images and then put the multiple outputs into an excel file. However, now when I run the code, the last image overrides all the other data. I also get this: Warning: Could not start Excel server for export. XLSWRITE will attempt to write file in CSV format.

I did just install Kutools for excel, but I have a feeling that that's what ruined the code now. I tried to uninstall it, and I think I did? Any advice is much appreciated. Thank you!

Here is the 'saving data' part of the code:

%File Location and File Name
xlFilename = 'C:\Users\X.xls';
xlRange = strcat('A',int2str(k));  
%Change Sheet Name
xlwrite(xlFilename,A,'Test',xlRange);

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Guillaume 2018-7-23

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The problem seems to be coming from excel that does not want to start properly. Add-ins indeed typically cause this sort of problems.

Does the following produce an error:

excel = actxserver('Excel.Application');

if not, to avoid leaving an invisible zombie excel, afterward:

excel.Quit;

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Answer 1

Victoria 2018-7-23

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https://ww2.mathworks.cn/matlabcentral/answers/411717-warning-could-not-start-excel-server-for-export-xlswrite-will-attempt-to-write-file-in-csv-format#answer_330002

I was able to fix the problem myself. I just restarted my laptop. It seemed that Kutools was still 'installed' until I restarted. I believe Kutools was the initial problem.