Install Spreadsheets

A full spreadsheet editor in your NTC Mirror account: several sheets per workbook, more than 230 functions, formatting, merged cells, frozen rows, filters, sorting, conditional formatting, dropdowns and checkboxes, charts, pivot tables and an AI assistant. Open .xls, .xlsx, .ods, .csv and .tsv files and download them again in the same formats. Each workbook is encrypted at rest with a key minted for your account alone.