Google Sheets
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Spreadsheets originated from a company bought by Google in June 2005. A year later Spreadsheets launched in Google Labs as a limited test.
In October of 2012, Spreadsheets was rebranded as Sheets and made a part of the Google Drive umbrella. Like Docs, Sheets has full offline support and allows users to work without a connection. Users can collaborate and share with many other people at the same time. Powerful Android and iOS apps allow users to access and work on files on the go.