> For the complete documentation index, see [llms.txt](https://help.docexport.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.docexport.com/troubleshooting/app-permission.md).

# App Permission

DocExport needs access to source boards if you're using mirror columns or formulas which load data from other boards in different workspaces.

## How to grant Workspace permission

Click on the DocExport Board view on any board.

Click on the 'Settings' Icon and on 'Go to App Settings':

<figure><img src="https://1159009676-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMnVzL8c1pE5zXO95iUKm%2Fuploads%2FnZNJYD0ClmPze8znPoGH%2FDocExportV2_AppSettings.png?alt=media&amp;token=a27496a0-3b20-4479-92c4-76089d90bd7b" alt=""><figcaption></figcaption></figure>

Click on the 'App Management' tab, select the 'All Workspaces' option and click on 'Save':

<figure><img src="https://content.gitbook.com/content/MnVzL8c1pE5zXO95iUKm/blobs/bJaxK5uwg0L2XN2DcUNJ/app-permission2.png" alt=""><figcaption></figcaption></figure>

That's it. From now on, DocExport can load data from mirror columns and connected boards, even if they are in a different workspace.