How to use it
Identify unused sheets and embedded objects.
Keep formulas and data backed up before optimizing.
Use the Plus Office engine when it is enabled.
Reduce XLSX size by reviewing unused sheets, formulas, images, and embedded objects through the planned Office workflow.
Compare Plus Get help with this toolBloated workbooks usually carry unused sheets, embedded objects, or formatting applied to entire columns. Genuine size reduction requires restructuring the workbook package, which is planned as a Plus engine feature.
Today, the effective local approach is housekeeping: export the sheet you actually need (Excel to CSV or Excel to PDF), or split a large workbook into per-sheet files (Split Excel Sheets) and share only the relevant part.
Identify unused sheets and embedded objects.
Keep formulas and data backed up before optimizing.
Use the Plus Office engine when it is enabled.
Honest status instead of a broken promise.
Working local alternatives for the common underlying need.
A clear statement of what the Plus engine will provide.
XLSX and CSV preview is available; dedicated compression remains a Plus engine path.
Any optimization should be reviewed against a backup because workbook structures vary.
Use the Plus pricing page for the current proposed plan details.