The bulk stock update can be done store wise. Follow the steps given below to do a Bulk Stock Update:

Step 1:

Click on the “Bulk Sync” icon on the extreme top right hand side corner.

Step 2:

You will now see a pop-up screen with all the stores connected to the SelluSeller account. Select the stores you wish to do a bulk sync for and then click on the “Sync Stock” button.