>>> import pandas as pd
>>> pd.read_csv('test.csv', header=1)
A2 B2 C2
0 A3 B3 C3
1 A4 B4 C4
2 A5 B5 C5
>>> pd.read_excel('test.xlsx', header=1, engine='openpyxl')
A2 B2 C2
0 A3 B3 C3
1 A4 B4 C4
2 A5 B5 C5
>>> pd.read_csv('test.csv', header=[1,2])
A2 B2 C2
A3 B3 C3
0 A4 B4 C4
1 A5 B5 C5
>>> pd.read_excel('test.xlsx', header=[1,2], engine='openpyxl')
A2 B2 C2
A3 B3 C3
0 A4 B4 C4
1 A5 B5 C5
>>> pd.read_csv('test.csv', header=[1,2], index_col=1)
B2 A2 C2
B3 A3 C3
B4 A4 C4
B5 A5 C5
>>> pd.read_excel('test.xlsx', header=[1,2], index_col=1, engine='openpyxl')
B2 A2 C2
B3 A3 C3
B4 A4 C4
B5 A5 C5
Can't see it documented.
Don't know.
(Part of #34766.)
test.csv
test.xlsx
Reproducible Example
Issue Description
min(header)are ignored.min(index_col)are ignored.Can't see it documented.
Expected Behavior
Don't know.
Installed Versions
Details
INSTALLED VERSIONS
commit : 72f2fea
python : 3.13.14
python-bits : 64
OS : Linux
OS-release : 6.18.33-calculate
Version : #1 SMP PREEMPT_DYNAMIC Tue Jun 9 10:00:56 UTC 2026
machine : x86_64
processor : Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
byteorder : little
LC_ALL : None
LANG : ru_RU.UTF-8
LOCALE : ru_RU.UTF-8
pandas : 3.0.3
numpy : 2.5.1
dateutil : 2.9.0.post0
pip : 26.1.2
Cython : None
sphinx : None
IPython : None
adbc-driver-postgresql: None
adbc-driver-sqlite : None
bs4 : None
bottleneck : None
fastparquet : None
fsspec : None
html5lib : None
hypothesis : None
gcsfs : None
jinja2 : None
lxml.etree : None
matplotlib : None
numba : None
numexpr : None
odfpy : None
openpyxl : 3.1.5
psycopg2 : None
pymysql : None
pyarrow : None
pyiceberg : None
pyreadstat : None
pytest : None
python-calamine : None
pytz : None
pyxlsb : None
s3fs : None
scipy : None
sqlalchemy : None
tables : None
tabulate : None
xarray : None
xlrd : None
xlsxwriter : None
zstandard : None
qtpy : None
pyqt5 : None