# Microsoft's built-in mail-flow signatures: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 1 judge label across 1 category by 1 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/microsoft-s-built-in-mail-flow-signatures

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email signature management](https://www.gane.ai/index/gtm/marketing/email-signature-management/index.md) | 0% | 43 | 100% | 1 |

## And against it

- "have limitations such as not appearing in users' Sent Items and not being inserted directly beneath the latest reply" (GPT-6 Luna, Email signatures)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 1 | 1 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Microsoft's built-in mail-flow signatures, from 1 of the 1 answers that named it (only the models that return a source list).

### Domains cited

- codetwo.com: 1
- learn.microsoft.com: 1
- ongc.com.au: 1

### Pages cited

- https://codetwo.com/email-signatures/faq: 1
- https://learn.microsoft.com/en-us/microsoft-365/admin/setup/create-signatures-and-disclaimers: 1
- https://ongc.com.au/security-bulletin/security-alert-exclaimer-data-security-incident: 1

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.