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SumOffice

Opens, recalculates and saves Excel workbooks with macros and Power Query on your own server, without Microsoft Office installed.
At a glanceswept Oct 24, 2026

not read yet

Use

For
IT and integration teams leaving Microsoft Office or embedding Excel editing in their own product
Company
Health Informatic Security System, S.L. · Domain since 2026site footer · domain registered
Runs as
Self-hostedAPI
Used for
  • check which Excel macros and formulas carry over before switching
  • run Excel workbooks on a server without installing Excel
  • embed office document editing inside an existing application
Worth knowingcomputed from what we read · each with its source
Your datawhat they publish, each line with its page · read Oct 25, 2026

These are SumOffice's own statements, read from its pages. We did not audit them. A line that is missing was not found on the pages we read; it does not mean the practice is absent.

How a program reaches itfound, not claimed · read Oct 25, 2026
  • MCP servercom.sumoffice/officeverified in the MCP registry
  • Stateanswers, 21 toolschecked 2026-10-25
  • Address to connectview.sumoffice.com/mcp
  • API docssumoffice.com/developers.htmlthe vendor's page ↗
  • MCP docssumoffice.com/mcpthe vendor's page ↗

MCP server details →

This card as JSON, for your agent →

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.

Alternatives in Databy use, among tools still maintained

Figure and bar: visits/mo, estimate · year: online since

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beta

Three tools from the Atlas for the job you describe, each with what fits and what does not.

From people who use itnot part of the reading

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Questions this page answers
  • What is SumOffice?

    Opens, recalculates and saves Excel workbooks with macros and Power Query on your own server, without Microsoft Office installed. It is listed in the Atlas under Data and made by Health Informatic Security System, S.L.

  • Who is SumOffice for?

    IT and integration teams leaving Microsoft Office or embedding Excel editing in their own product

  • Do people use SumOffice?

    Little sign of use.

  • Who owns SumOffice?

    SumOffice is run by Health Informatic Security System, S.L., per its site footer (2026-10-25).

  • What are alternatives to SumOffice?

    In Data, by use: Caspio, Bindler, Hugging Face, Notion, Ultimaps, Agenty.

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.

How we read every tool → · By INITE Atlas Desk