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How I Created a Professional Power BI Portfolio Presentation Using ChatGPT and Microsoft Copilot

Creating a professional PowerPoint presentation no longer requires designing every slide manually. In this project, ChatGPT was used to create detailed presentation prompts, and Microsoft Copilot generated the PowerPoint slides automatically. The workflow included: - Designing presentation prompts with ChatGPT - Generating slides using Microsoft Copilot - Creating a professional Power BI portfol..

PowerPoint 2026.07.19

How to Merge Multiple Mapping Tables Automatically with Power Query

Managing sales data often requires combining multiple lookup tables before analysis. In this example, Power Query automatically merges three different mapping tables into a single sales dataset. The automation process includes: - Loading a sales table - Importing multiple mapping tables from an external Excel file - Matching Sales Manager by Branch and Item - Matching Category and Account by Ite..

How to Combine Multiple Excel Files and Standardize Sales Data with Power Query

Managing sales data from multiple Excel files can be challenging when each file has different column names and formats. In this example, Power Query automatically imports every Excel file from a folder and converts them into a standardized dataset. The automation process includes: - Importing multiple Excel files from a folder - Ignoring hidden and temporary files - Detecting tables or worksheet..

How to Apply Excel Cell Formatting Automatically Based on Stock Symbols with Python

Managing stock lists manually can be time-consuming when different symbols require different cell formats. In this example, Python automatically analyzes stock symbols and applies predefined Excel formatting rules. The automation process includes: - Matching company names with stock symbols - Applying background colors automatically - Drawing diagonal lines - Adding cross patterns - Applying cus..

Excel automation 2026.06.25

How to Build an Automated Meal Plan and Recipe Report with Power Query and Python

Managing meal plans manually can be time-consuming, especially when ingredient quantities must be adjusted based on the number of people. In this example, Power Query and Python work together to automate the entire process. Power Query automatically: - Merges meal plans with recipe data - Calculates ingredient quantities - Adjusts quantities by person count - Creates a clean meal planning datase..

How to Filter Expense Report Details with Power Query and XLOOKUP

In Excel expense reports, card usage data is often stored in a separate table. When preparing an expense report, we usually need to bring only the transactions that match a selected date and management number. In this example, XLOOKUP is used to bring key report information, while Power Query filters the related card usage records automatically. Power Query checks: - Report Date - Management Num..

How to Calculate Weekday and Holiday Workdays Automatically with Power Query

Tracking employee workdays can be difficult when working hours are recorded across multiple day columns. In many attendance sheets, employees are listed in rows while daily work hours are stored horizontally. In this example, Power Query automatically: - Converts daily work hours into a structured table - Identifies weekdays and holidays - Applies custom workday rules - Counts qualifying weekday..

How to Calculate Fees Automatically by Grade and Amount Range with Power Query

Many pricing tables use both grade levels and amount ranges to determine fees. For example, the fee may vary depending on: - Customer Grade - Contract Amount - Loan Amount - Sales Amount - Property Value In this example, Power Query automatically finds the correct fee by comparing the selected Grade and Base Amount against a predefined fee table. The result updates automatically whenever the inp..