There's a quiet frustration that builds when a spreadsheet works perfectly on your machine but falls apart the moment someone else opens it. That's exactly the trap this club member hit with their XLOOKUP formulas. Excel, in its eagerness to be helpful, baked in absolute file paths pointing to a OneDrive account and a local folder structure that only exist on one computer. The result is a formula that's technically correct and practically useless for anyone else. This isn't a niche annoyance, it's the kind of problem that stops collaboration cold.
The good news is that the solution is simpler than the error messages suggest. Excel supports relative references, but only when the files involved are saved in the same folder and the formulas are written without any path prefix. Instead of letting Excel auto-insert the full path, the user can type the reference manually, starting directly with the workbook name in brackets, like `'[Membership 2026-04-18.xlsx]2026-04-18'!$C:$C`. When both files live side by side, Excel honors that shorthand and keeps the formula portable. The key is to avoid opening the source file and clicking through to select cells, that's what triggers the absolute path insertion. Instead, type the formula from scratch or use the Insert Function dialog but replace the auto-generated path with just the bracketed filename.
There's also a practical workaround for those who've already got a mess of absolute references. Use a simple find-and-replace across the workbook: copy the full path prefix that Excel added, then replace it with nothing. That strips the machine-specific junk and leaves the clean, relative reference behind. It's a two-minute fix that saves hours of manual editing and prevents future confusion when the file moves to another machine or gets shared with a fellow club member.
What this comes down to is understanding that spreadsheet tools default to absolute clarity, but clarity for one user can be chaos for another. The person who posted this question was right to push back against the auto-generated paths. Their instinct to keep formulas clean and portable is exactly the right mindset for collaborative work. The solution isn't complicated, but it does require overriding Excel's default behavior and being deliberate about how references are entered. Start typing the formula, use the bracket notation, and let the folder do the heavy lifting. That's how you make a file that travels well, and that's a skill worth carrying into every future project.