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Reading a 97-2003 xls file

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C
C 2019-7-12
回答： Sohel Rana 2021-12-9
How can I read a 97-2003 xls file into matlab. It gives me the error "not in Microsoft Excel Format"
If I resave the file as a newer verson I can read that but I have thousands of files I need to read and I can't go through manually changing each one.
Thank you.
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Ayushman Tripathi
Ayushman Tripathi 2020-8-12
编辑：Ayushman Tripathi 2020-8-12
I was facing the same issue("not in Microsoft Excel Format") as you were while reading .xls file (1997-2003 Excel)
I came across the following link which helped resolve the issue .
https://e2e.ti.com/support/data-converters/f/73/t/771471?AFE4490SPO2EVM-AFE4490SPO2EVM
In short, you can use the dlmread OR readmatrix command on MATLAB. It worked for me.
Rik
Rik 2020-8-12
Judging by the description there I wouldn't say it is actually an Excel file, so the error is correct. A tab delimited file is not an xls.

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回答（2 个）

Rik
Rik 2019-7-15
Sometimes it helps to provide the full file name including the extension. That way Matlab doesn't have to determine the file type on its own.
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dpb
dpb 2019-7-15
+1 I missed that detail and would definitely never pass an unqualified name w/o extension to xlsread. In fact, I'd expect it to fail with "file not found" and think opening a file that could possibly be different than the one passed by name verging on the edge of being a bug.

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Sohel Rana
Sohel Rana 2021-12-9
You could use file extension.
Use xlsread ('filename.xls') instead of xlsread ('filename.xlsx') for 97-2003 xls file.
It worked for me.

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