How do you use XLSB files with Google Sheets?
XLSB is Excel's binary workbook format, often smaller on disk. Convert to XLSX in Excel or upload through Drive and let Sheets import the contents. Binary-only features and macros do not carry over verbatim.
When to use it
Use conversion when a partner ships XLSB exports you cannot open directly in the browser.
When to skip it
Skip XLSB when CSV or Google-native Sheets sharing avoids conversion entirely.
Better Sheets resources
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Excel XLSX and Google Sheets
XLSX is the modern Excel workbook format. Google Sheets opens it through File > Import or by uploading to Drive and choosing Open with Google Sheets. Most values, tabs, and basic formatting convert cleanly, but some Excel-only features need a workaround or a stay-in-Excel decision.
Read guide →XLS
XLS is the legacy Excel binary workbook format. Upload to Google Drive and open with Google Sheets, or convert to XLSX first for fewer import surprises. Very old macros and features do not transfer; rebuild automation in Apps Script.
Read guide →importing data into Sheets
Importing means pulling external data into a spreadsheet tab: from a file upload, another Google Sheet, a published CSV URL, or a function like IMPORTRANGE. The import dialog controls separator, locale, and whether new rows replace or append existing data.
Read guide →Done reading about XLSB?
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