pywintypes is part of the Python for Windows extensions, otherwise known as pywin32. You'll need to install that to get access to pywintypes.

Note that as of this writing, pywin32's maintainer doesn't upload files to PyPI, so you have to get an appropriate version of installer from http://pywin32.sf.net.

Answer from icktoofay on Stack Overflow
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GitHub
github.com › mhammond › pywin32 › issues › 1455
pywintypes module not found in virtualenv · Issue #1455 · mhammond/pywin32
December 22, 2019 - Hi! I pip-installed pywin32 on my machine, and everything works fine. I tried it in a virtualenv, and I get this error when importing pywintypes: ModuleNotFoundError: No module named 'pywintypes' I should also note that pip show pywin32 ...
Author   mhammond
Discussions

ModuleNotFoundError: No module named 'pywintypes' error when using pywin32 code
Traceback (most recent call last): ...ppData\Local\Temp\serious_python_tempf288247f\__pypackages__\pythoncom.py", line 2, in ModuleNotFoundError: No module named 'pywintypes'... More on github.com
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April 15, 2024
ModuleNotFoundError: No module named 'pywintypes'
For all bugs, please provide the following information. Download the latest version : pywin32-301-cp39-cp39-win_amd64.whl And installation via pip success. Expected behavior and actual behavior. im... More on github.com
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September 29, 2021
Deploy-ng: ImportError: DLL load failed: The specified module could not be found
hi, when trying to run the executable built by pfreeze tool, i got the following error: Traceback (most recent call last): File "game.py", line 4, in from functions import * File "E:\projects\python\examplegame\lib\importlib\_bootstrap.py", line 983, in _find_and_load return _find_and_load... More on discourse.panda3d.org
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April 28, 2019
No module named 'pywintypes'

You need to pip install pywin32 or maybe pypiwin32 if that doesn’t work. Or just google it to know for sure.

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August 18, 2021
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Reddit
reddit.com › r/learnpython › why do i keep getting 'no module named 'pywintypes'' whenever i try to import win32com.client or pywin32?
r/learnpython on Reddit: Why do I keep getting 'No module named 'pywintypes'' whenever I try to import win32com.client or pywin32?
August 22, 2023 -

Here is my code. I am trying to use docx2pdf to convert pdf files to docx.

import win32com.client
from win32 import _win32sysloader
from win32 import win32api
from docx2pdf import convert

def translator():
    print('reconverting')
    convert("C:\\Users\\John\\Downloads\\btab083 (1).docx",     "C:\\Users\\John\\Downloads\\btab083 (1).pdf")
    print('success')

translator()

I'm using Python 3.11.4

As you can see I tried different import statements of(commented out) as solutions. I found them online. No matter what order I tried them I kept getting No module named 'pywintypes' or No module named '_win32sysloader'.

I installed pywin32 using 'pip install pywin32. I also used python pywin32_postinstall.py -install, pip install win32, python Scripts/pywin32_postinstall.py -install and python -m pip install --upgrade pywin32.

I also tried pip install pywintypes

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YouTube
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ModuleNotFoundError: No module named 'pywintypes' -solution - YouTube
This video provides the solution for module not found error: no module named pywintypes. other interesting videos:Link for Python Excel Automation Part 1 -Re...
Published   May 30, 2022
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Google Groups
groups.google.com › g › spyderlib › c › W-v322YKPSg › m › q8fzAqxaCgAJ
Help: No module named 'pywintypes' when importing win32com.client
import pywintypes · ModuleNotFoundError: No module named 'pywintypes' I copied these files (pythoncom38.dll + pywintypes38.dll + pythoncom37.dll and pywintypes37.dll) from · C:\Users\"Your user id"\AppData\Roaming\Python\Python38\site-packages\pywin32_system32 ·
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Medium
medium.com › @zgza778 › fixing-importerror-no-module-named-pywintypes-in-python-fdea6f4b0c89
Fixing ImportError: No module named pywintypes in Python | by Phoebe Theresa Peters | Medium
February 24, 2025 - One of the most common problems encountered when working with Pywin32 is the dreaded “ImportError: No module named pywintypes”. This usually indicates a problem with the Pywin32 installation.
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GitHub
github.com › flet-dev › flet › issues › 3029
ModuleNotFoundError: No module named 'pywintypes' error when using pywin32 code · Issue #3029 · flet-dev/flet
April 15, 2024 - Description Issue does not occur in python code state, but occurs after windows build Code example to reproduce the issue: import flet as ft import win32com.client info_dict = {} def get_info(): global info_dict wmi = win32com.client.Get...
Author   flet-dev
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YouTube
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ImportError: No system module 'pywintypes' [Python Fix] - YouTube
If you have been getting this error: ImportError: No system module 'pywintypes' (pywintypes38.dll)this video is for you!The pywintypes38.dll file is actua...
Published   January 2, 2021
Views   15K
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SourceForge
sourceforge.net › home › browse › python for windows extensions › old bugs - new issues at https://github.com/mhammond/pywin32/issues
Python for Windows Extensions / Old Bugs - new issues at https://github.com/mhammond/pywin32/issues / #755 No Module named 'pywintypes'
Traceback (most recent call last): File "C:\Users\foo\Python\Python35\outlooktest.py", line 1, in <module> from win32com.client import Dispatch, GetObject File "C:\Users\foo\AppData\Local\Programs\Python\Python36-32\lib\site-packages\win32com__init__.py", line 7, in <module> import pythoncom File "C:\Users\foo\AppData\Local\Programs\Python\Python36-32\lib\site-packages\pythoncom.py", line 2, in <module> import pywintypes ModuleNotFoundError: No module named 'pywintypes'</module></module></module> Package was instralled from pypi through pip.
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GitHub
github.com › mhammond › pywin32 › issues › 1764
ModuleNotFoundError: No module named 'pywintypes' · Issue #1764 · mhammond/pywin32
September 29, 2021 - ModuleNotFoundError: No module named 'pywintypes'#1764 · Copy link · ccpoon · opened · on Sep 29, 2021 · Issue body actions · For all bugs, please provide the following information. Download the latest version : pywin32-301-cp39-cp39-win_amd64.whl And installation via pip success.
Author   mhammond
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Dynatrace Community
community.dynatrace.com › t5 › Extensions › Python-module-dependency › m-p › 95632
Solved: Python module dependency - Dynatrace Community
May 19, 2023 - ‎12 Nov 2018 09:52 AM · I've tested it out locally and got it running by also copying the following files from sub directories of the built plugin into the root of it: _win32sysloader.pyd · pythoncom36.dll · pywintypes.py · pywintypes36.dll · winerror.py ·
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cx_Freeze
cx-freeze.readthedocs.io › en › 6.15.10 › releasenotes.html
Release notes - cx_Freeze 6.15.10 documentation
Ensure that the pythoncom and pywintypes DLLs are found in the lib directory, not in the base directory (Issue #332). Copy dependent files to the same directory as the file it depends on, not the root directory; also add a sample for PyQt5 to demonstrate its correct use (Issue #328).
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PyXLL
support.pyxll.com › hc › en-gb › articles › 4404027796627--DLL-load-failed-The-specified-procedure-could-not-be-found-when-importing-win32api-or-win32com
"DLL load failed: The specified procedure could not be found" when importing win32api or win32com – PyXLL
July 21, 2021 - To resolve this issue you should completely uninstall the pywin32 package and remove and old versions of the "pythoncomXX.dll" and "pywintypesXX.dll" DLLs. The exact name of these will depend on your version of Python.
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Zeiss
zeiss.github.io › zeiss-inspect-app-api › 2026 › howtos › faq › faq.html
Frequently asked questions — App Development Documentation
…a plain import win32api or import pywintypes fails with: ModuleNotFoundError: No module named 'pywintypes' Call a setup function before any pywin32-dependent import.
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Esri Community
community.esri.com › t5 › python-questions › how-to-install-pywin32-for-arcgis-pro-3-x › td-p › 1223077
Solved: how to install pywin32 for ArcGIS Pro 3.x - Esri Community
August 29, 2024 - File "C:\Program Files\ArcGIS\Pro\bin\Python\envs\arcgispro-py3\Lib\site-packages\win32\lib\pywintypes.py", line 52, in __import_pywin32_system_module__ ... ImportError: DLL load failed while importing _win32sysloader: The specified module could not be found.
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Panda3D
discourse.panda3d.org › scripting issues
Deploy-ng: ImportError: DLL load failed: The specified module could not be found - Scripting Issues - Panda3D
April 28, 2019 - hi, when trying to run the executable built by pfreeze tool, i got the following error: Traceback (most recent call last): File "game.py", line 4, in <module> from functions import * File "E:\projects\python\ex…
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Community
community.safe.com › home › forums › fme form › transformers › apply macro to excel output with python
Apply macro to Excel output with Python | Community
November 30, 2021 - Python Exception <ModuleNotFoundError>: No module named 'pywintypes' Is there an easy way to solve this? In case the answer is no, I will switch to another library which can apply a macro to Excel output. Best answer by warrendev · Yes that is the case. The macro is stored in a separate PERSONAL.xlsb.