---
title: "Update Teams mobile app by October or lose your calendar"
url: https://daily.dev/posts/update-teams-mobile-app-by-october-or-lose-your-calendar-qacihektn
source_url: https://www.theregister.com/software/2026/07/31/update-teams-mobile-app-by-october-or-lose-your-calendar/5281773
type: article
source: "The Register"
published: 2026-08-06T10:37:19.183Z
updated: 2026-08-06T10:38:08.488Z
tags: ["microsoft", "mobile"]
reading_time: 3
upvotes: 0
comments: 1
language: en
---

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# Update Teams mobile app by October or lose your calendar

**[The Register](https://daily.dev/sources/theregister)** · 3 min read · 0 upvotes · 1 comments

## Summary

Microsoft is requiring users to update their Teams mobile app before October or risk losing calendar functionality. The deadline applies to older versions of the Teams mobile client, which will lose access to Exchange Online calendar features if not updated in time.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.theregister.com/software/2026/07/31/update-teams-mobile-app-by-october-or-lose-your-calendar/5281773>

## Community discussion

Top comments from developers on daily.dev.

**@nmalj** · 0 upvotes

> Thanks for sharing this. Keeping business apps updated is easy to overlook, but changes like this can have a real impact on daily work if you rely on the Teams calendar.
>
> In my case, I also use tools to stay organized, including [Calculadora de Horas](https://calculadorahorasbr.com/), to track work hours and manage time more accurately. It reminds me how important it is to keep productivity tools up to date so they continue working as expected and don't interrupt your workflow.
>
> A simple update today can save a lot of confusion later.

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---

Tags: [#microsoft](https://daily.dev/tags/microsoft), [#mobile](https://daily.dev/tags/mobile)

[View this post on daily.dev](https://daily.dev/posts/update-teams-mobile-app-by-october-or-lose-your-calendar-qacihektn)