Excel Alternative for Large Data Sets

Open, filter, and analyze massive Excel or CSV files without formulas or crashes. Data.olllo is your fast, no-code desktop tool for big data — smarter, scalable, and frustration-free.

Why Replace Excel for Large Data?

Excel slows down or crashes when handling large datasets — anything over a few hundred thousand rows can be risky. Whether you’re opening a multi-GB CSV or filtering millions of rows, traditional spreadsheets can’t keep up. Data.olllo fixes all that.

Handles 10M+ rows effortlessly — no memory errors

Instant filters, pivots, and summaries with zero code

Split, merge, or clean huge files in one click

Preview and explore 50GB+ datasets locally

100% offline — your data stays on your device

Merge Large Excel or CSV Files Without Formulas

Combine datasets with matching columns — no formulas or scripting needed.

Summarize Spreadsheet Data Instantly

See averages, sums, counts, or unique values for any column in one click.

Filter Large Data Sets Without Lag

Drill down to exactly what matters — even in 100GB+ datasets.

Performance in Action

⚡ Users have opened 80GB+ CSV files in Data.olllo by converting them to HDF5 first. Once converted, the data opens instantly and filters run smoothly — without a single line of code.

Try a Smarter Spreadsheet Today

Ditch formula hell. Data.olllo gives you a visual, scalable, no-code way to work with big files — all on your desktop.

Download for Free