• Tables: how columns work

  A Lido table is a named, structured dataset inside your spreadsheet. Every column has a specific role — computed, linked, plain, or sourced from external data — and that role determines how values get into the cells. This article explains each column type and when to use it.Few readers

• Actions: how spreadsheet automation works

  An **Action** is a Lido formula that doesn't just calculate a value — it *does* something. `=SENDGMAIL(...)` sends an email. `=COPYFILE(...)` copies a file. `=EXTRACTFROMFILETOROW(...)` runs AI extraction.Few readers

• AI columns and formulas

  Lido lets you call large language models directly from spreadsheet formulas. Use this to enrich rows with AI output (summaries, classifications, translations, structured extraction) without leaving the sheet. This article covers every AI formula, when to use which, and how to set up credentials.Few readers

• Expressions and the formula bar

  Most parameters in Lido — both spreadsheet formulas and workflow node parameters — accept either a literal value or an expression. Expressions let you reference other cells, other items, today's date, computed values, and more.Few readers

• Connect a real-time data source

  Lido tables can pull rows from a CRM, database, generic API, or file — and refresh them automatically. This is how you keep a sheet in sync with the system of record without manual exports. This article covers the setup wizard and what to do once a source is connected.Few readers