Have you ever tried to send a huge document by email only to get the annoying “file too large” error? Or maybe you only needed to translimit one chapter from a 200-page report, but you sent the whole ...

openpyxl is a Python library to read/write Excel 2010 xlsx/xlsm/xltx/xltm files. It was born from lack of existing library to read/write natively from Python the Office Open XML format. All kudos to ...

In this video, learn how to split data into multiple worksheets in Excel, such as separating total sales into quarterly sheets. The video covers three methods: 1. Using the report pages tool with ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Microsoft has announced that it will start disabling external workbook links to blocked file types by default between October 2025 and July 2026. After the rollout ...

What if the tools you already use could do more than you ever imagined? Picture this: you’re working on a massive dataset in Excel, trying to make sense of endless rows and columns. It’s slow, ...

This hands-on tutorial will walk you through the entire process of working with CSV/Excel files and conducting exploratory data analysis (EDA) in Python. We’ll use a realistic e-commerce sales dataset ...

The newly approved Python Enhancement Proposal 751 gives Python a standard lock file format for specifying the dependencies of projects. Here’s the what, why, and when. Python Enhancement Proposal ...

This month is a little varied in terms of the most recent feature-set, but it’s still fairly sparse. Without further ado, let’s dive into all that’s new for Excel this month. Microsoft frequently adds ...