App profile
Microsoft Outlook
Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
12appearances across 3 of 4 indexes
#6best rank, Viral App Radar 2025
46latest Shadow IT index (October 2026)
Summary
- Microsoft Outlook appears 12 times in Torii Research, first in Viral App Radar 2025, most recently in Adoption Index October 2026. Best rank: #6 (Viral App Radar 2025).
Over time
One chart per measure. Values as published in each edition.
Rank in Adoption Index
Rank 1 is at the top. Hover a point for the edition.
Shadow IT index over time
0 to 100; higher means more often unsanctioned. Every edition that reports it.
Every edition
Newest first.
| Index | Edition | Rank | Key metric | Shadow IT | Published |
|---|---|---|---|---|---|
| Adoption Index | October 2026 | #18 | down 2 | 46 | 2026-10-08 |
| Adoption Index | September 2026 | #16 | up 2 | 46 | 2026-09-02 |
| Adoption Index | August 2026 | #18 | down 2 | 44 | 2026-08-02 |
| Adoption Index | July 2026 | #16 | up 3 | 44 | 2026-07-02 |
| Adoption Index | June 2026 | #19 | up 4 | 45 | 2026-06-02 |
| Adoption Index | May 2026 | #23 | down 1 | 25 | 2026-05-02 |
| Adoption Index | April 2026 | #22 | down 6 | 25 | 2026-04-02 |
| Adoption Index | March 2026 | #16 | up 4 | 27 | 2026-03-02 |
| Adoption Index | February 2026 | #20 | up 1 | 27 | 2026-02-02 |
| Shadow IT Index | February 2026 | #38 | 4% adoption | 82 | 2026-02-01 |
| Adoption Index | January 2026 | #21 | new | 25 | 2026-01-02 |
| Viral App Radar | 2025 | #6 | viral score 4.7 | 27 | 2025-08-01 |
Source: Torii Research reports, anonymized and aggregated usage data. Definitions in the glossary.