How to update Visual Studio extensions from marketplace?

Update Visual Studio extensions from marketplace

The already installed exception occurs when updating extensions version from Visual Studio marketplace through Visual Studio Manage Extensions > Updates option if the extensions has been installed in admin mode. Syncfusion installer installs the Syncfusion extension in admin mode. So, this issue occurs when updating VSIX from marketplace on the top of the Syncfusion setup installed. This is known issue in Microsoft Visual Studio, and they have promised to fix this issue in their future release. In meantime, you can update to the latest version through command prompt.

Download the latest version of VSIX from Marketplace, and pass the arguments in the following screenshot to VSIXInstaller.exe, which is located in Visual Studio installed location {e.g. C:\Program Files (x86) \Microsoft Visual Studio\2019\Professional\Common7\IDE}, and it will be updated to the latest version.