Tag: reduce Excel file size

Excel VBA UDF Optimization: Using Dictionary Caching for Speed

Posted on December 6, 2025December 7, 2025 by raymond Posted in Excel/VBA, Microsoft AccessTagged Access database integration, eliminate VLOOKUP, Excel Automation, Excel best practices, Excel caching, Excel caching techniques, Excel database lookup, Excel developer tools, Excel front end Access backend, Excel optimization tips, Excel performance optimization, Excel UDF performance, Excel VBA, fast Excel formulas, reduce Excel file size, speed up Excel UDFs, VBA dictionary, VBA dictionary caching, VBA UDF optimizationLeave a Comment

When a UDF looks up data from an Access table, Excel can end up calling the function hundreds or even thousands of times during recalculation. Without a cache, each call hits the database (a.k.a. server trips), opening connections, running queries, and slowing things down unnecessarily. By loading the product table into a VBA Dictionary the […]

Spreadsheet Bloat: Why Your Excel Workbook Is Slow — and How to Fix It.

Posted on November 26, 2025December 6, 2025 by raymond Posted in ExcelTagged Excel file too large, Excel file troubleshooting, Excel INDEX MATCH slow, Excel lag, Excel memory usage, Excel performance, Excel recalculation slow, Excel repair, Excel speed tips, Excel table resizing, Excel tables performance, Excel troubleshooting, Excel VBA developer, Excel workbook optimization, Excel XLOOKUP, fix slow Excel, optimize Excel formulas, reduce Excel file size, slow Excel workbook, spreadsheet bloatLeave a Comment

Spreadsheet Bloat: Spreadsheet Bloat: Why Your Excel Workbook Is Slow Spreadsheet bloat occurs when an Excel workbook becomes unnecessarily large, slow, or resource-heavy due to inefficient design, excessive formatting, or formulas applied far beyond the real data range. It doesn’t mean your file is broken, but it often leads to sluggish performance, long recalculation times, and […]