Lost and found: The Ultimate guide to recovering deleted files in Microsoft Teams

What can be recovered after deletion?

Most of the content we can delete from Teams can be (mostly) recovered. This includes:

1. Files and documents (including PDFs), images, and folders
2. Audio and video files (e.g. MP3, MP4)
3. Channels
4. Tabs (sort of)
5. OneNote notebooks
6. Planner plans (can be deleted)

Before we go further remember, user permissions dictate who can delete what. It’s important to also remember, from a collaboration perspective, if you’re in the Team, you’re on the team. Going out of your way to introduce granular permissions to Members is rarely a good thing.

Generally, team members with the Member role can delete:

• Files: Team members can delete files from team channels.
• Chat messages: Team members can delete chat messages that they have posted, but they cannot delete chat messages posted by others.
• Tabs: Team members can remove tabs added to channels. It’s not really a deletion… more to come later.
• Keep in mind, Team Owners can modify the default Member permissions (if allowed by policy).

Owners, of course, have more control over the Team:

• Files: The owner of a team can delete files from team channels, including those uploaded by other team members.
• Chat messages: The owner of a team can delete chat messages from team conversations, including those posted by other team members.
• Channels: The owner of a team can delete channels along with the channels’ contents, including channels created by other owners or team members.
• Tabs: The owner of a team can remove tabs from team channels, including those added by other team members.
• Teams: The owner of a team can delete the entire team, including all its channels, files, chat messages, and other elements.

Recovering deleted files

Let’s step back for a moment and think about Teams’ information architecture.

We know that SharePoint is the document management tool for Teams. And that each channel in a Team is represented by a folder in the connect SharePoint team site.

For example, if a team was created with “General”, “Content”, and “Website” channels to start with, you will see 3 folders In Documents with corresponding names. This is where the documents that are created or uploaded within the Team get automatically stored.

It makes sense then, when a file gets deleted in Teams we simply need to look to the connected SharePoint site’s Recycle Bin to recover that file.

Recovering deleted channels

The ability for Members to delete a channel is at the discretion of the Team’s Owner and/or the organization’s overarching Teams policies.

If a channel is deleted, it will be available for 30 days in a “soft delete” state. You can get to it in the Team’s settings options under Manage Team à Channels.

Within that 30-day period the channel, its files, and chat can be restored.

After the 30 days are up the channel, files, and chat will be removed from Teams but the folder and files in the SharePoint site will remain in place. A Member or Owner may choose to delete it, and the Recycle Bin policy will take over.

Recovering Removed Tabs

This is a fairly easy fix since a tab is just a link to specific content within SharePoint, another website, or to an app. Anyone with permissions to create tabs can restore the tabs that have been removed. Honestly, this isn’t a delete/restore situation. It’s remove/recreate. Easy/Peasy!

To restore a Microsoft Teams tab that was removed, follow these steps:

• Go to the Teams channel: Open the Teams channel where the tab was located.
• Click on the “Add a tab” button: Click on the “+” sign next to the channel tabs to open the “Add a tab” dialog.
• Recreate the tab and name appropriately.

Recovering deleted OneNote notebooks

OneNote notebooks for each Team are stored on the corresponding SharePoint site.

Therefore, to restore a deleted OneNote notebook in Microsoft Teams, you will need to head to SharePoint:

• Check the Recycle bin for the deleted notebook. The Recycle bin can be accessed from the site’s settings page in SharePoint.
• Restore the notebook: If the deleted notebook is found in the Recycle bin, select the notebook and click on the “Restore” button to restore the notebook and its contents.

Contact Team Owner or an IT Admin: If the deleted notebook is not found in the Recycle Bin. It will have cycled to the Second Stage Recycle Bin if it’s been more than 30 days.

Recovering deleted Planner Plan

Planner is a little persnickety. Only M365 Group Owners (Team Owners) can delete Planner plans. It’s important to note that the only delete option for a Planner plan is to permanently delete it, there is no option for recovery. The same holds true for Planner tasks. Once deleted tasks must be recreated from scratch.

If a Team Member wants to leave a plan they must leave the Team, entirely.

Whew! There’s a lot to think about when it comes to permissions, security, deletions, and recovery.

Delete is a scary word but remember that permissions are in place to allow folks to do their jobs safely, not to handcuff them. Make sure not to secure Members so much that they aren’t able to be productive Team members.

This is a good place to mention that it’s always a good idea to have a backup plan in place. If you don’t have cloud backup for M365 there’s no time like the present! There are great solution providers out there such as Veeam that allow you to go beyond what’s available out of the box and have self-service options for content owners.

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