This Reddit user's 60MB Excel file is not an outlier. It is a symptom of a widespread problem: the moment a spreadsheet becomes a shared, living document, its weight becomes a liability. The user has already discovered the painful trade-off, XLSB compresses the file by nearly 40 percent, but it kills live collaboration. So the question is not "How do I shave off a few more megabytes?" The real question is why a modern data tool forces that choice in the first place.
We see a spreadsheet that has grown beyond the original design of its format. Dozens of tabs, dense formula networks, and simultaneous editing pressure a file structure that was never built for real-time teamwork. The user has done the obvious cleanup, deleting rows, removing pivot tables, yet the file still chokes under its own complexity. That is not a user error. It is a system limitation. Traditional spreadsheets treat data and interface as one monolithic block. When collaboration enters the picture, that block becomes a bottleneck. Every keystroke from every collaborator has to sync the entire bloated structure, and sync failures are the predictable result.
The practical lesson here is that size reduction is a temporary fix. Compressing the file or stripping out unused rows treats the symptom while ignoring the root cause: the tool itself is not designed for this scale of live interaction. What this user needs is a smarter architecture, one where the data lives separately from the view, where formulas can be recalculated without dragging the whole file along, and where collaboration does not require a fragile sync thread. That is the direction an AI-native spreadsheet takes. It separates storage from interface, allowing teams to work on the same data without each action requiring a full-file update.
Stop fighting the file size. Start evaluating the tool. If your spreadsheet struggles to stay fluid when three people work on it, the spreadsheet is the bottleneck. The future of data management is not about making old formats smaller; it is about building systems that make collaboration invisible. The user should explore platforms that treat live editing as a core feature, not a compatibility afterthought. That is where the real productivity gain lives.