# Sigma Computing: Exports with Color Conditional Formatting of "None" Failing

- Impact (vendor’s label): major
- Status: postmortem
- Started: 2023-08-14 14:52 UTC · Resolved: 2023-08-14 17:07 UTC · Duration: 2.3 h
- Updates: 3 · Affected components: AWS - Sigma - AWS (US), Sigma - AWS (US), GCP - Sigma - GCP (US), Sigma - GCP (US), AWS - Sigma - AWS (Europe), Sigma - AWS (Europe), AWS - Sigma - AWS (Canada), Sigma - AWS (Canada)
- [Vendor status page: https://stspg.io/zy8xc6tk9fvj](https://stspg.io/zy8xc6tk9fvj)
- [Company: Sigma Computing](https://rewindex.com/company/sigma-computing.md)

## Summary

Sigma Computing reported a major (Severity 0) incident affecting Excel and CSV exports from some workbooks with Color Conditional Formatting of "None". It started at 2023-08-14 14:52 UTC and was marked resolved at 2023-08-14 17:07 UTC, lasting 2 h 15 min. Sigma later published a postmortem link; no cause or fix is detailed in the evidence. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2023-08-14 14:52 UTC: Sigma Computing is currently addressing a Severity 0 incident with some exports to Excel, CSV consistently failing.
- **resolved** 2023-08-14 17:07 UTC: This incident regarding exports to Excel and CSV failing on some workbooks has been resolved. Incident End Time: Approximately 16:34 UTC August 14, 2023 We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in coming days. You will receive a notification when that occurs.
- **postmortem** 2023-10-06 20:55 UTC: Sigma Engineering has completed the postmortem of this incident. A Root Cause Analysis \\(RCA\\) is available on the Sigma Community site: \[Postmortem for Aug 14th: Exports with Color Conditional Formatting of None\](https://community.sigmacomputing.com/t/postmortem-for-aug-14th-exports-with-color-conditional-formatting-of-none/2619)

## Rewindex changes for this incident

- 2023-08-14 14:52 UTC: [Major incident: Exports with Color Conditional Formatting of "None" Failing](https://rewindex.com/change/i3c6131f8fce557.md)


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Canonical: https://rewindex.com/company/sigma-computing/incidents/rp0dw946jrfm · Markdown: https://rewindex.com/company/sigma-computing/incidents/rp0dw946jrfm.md · JSON: https://rewindex.com/api/v1/companies/sigma-computing/incidents/rp0dw946jrfm · Generated 2026-10-18T10:38:00.081Z
