How can I add a logo in Modern Team Sites?I can't found out any information about it.In documentation it says that it is possible but from where? In settings I can't found that option.


The below is the "official way to go", but at the end is a suggestion to check for a quick logo change.

Modern Team Sites can't be customized through the settings-menu. Instead, to customize Modern Team Sites, you need to upload required files and assets and apply the changes by executing the ApplyTheme method. To specifically change the logo of a Modern Team Site, you need to use the Groups Graph API and define the logo in there.

See more about Applying custom theme to "modern" team site and SharePoint PnP including the method for logo changing.

There's a suggestion that you can change your logo by accessing the default logo at Site Assets stored with the name __siteIcon__.jpg. By replacing this file with an identically named filed you could apply your own logo to the site.


For a Modern Team Site you have to go to the Site Assets folder and upload the site logo there. It must be name __siteIcon__.jpg and must be a jpg for it to work.

enter image description here

Upload your new file and overwrite the existing file. Wait a few seconds and hit CTRL+F5 to clear the cache and there you have it.


although the page for changing the logo isn't listed in the site settings, it is still there and you can access it directly with its url: https://contoso.sharepoint.com/_layouts/15/prjsetng.aspx

however when you create a Team site with the SharePoint link from the app launcher, it will be attached to a O365 group, and it is the O365 Group logo that will override your site logo

so in order to change the logo go to the Admin center > Groups > and change the logo of your group there

it can take some time to sync to your site (i was able to force the sync by removing the default acronym logoin the prjsetng.aspx)

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