I have recently built in Magento 2, but worked with many heavy-loaded procedures. Is there anyone here can suggest for me an extension that can optimize RMA extension in Magento 2. Thanksss!!
If you are using the Commerce edition maybe you can check this document: http://docs.magento.com/m2/ee/user_guide/sales/rma-configure.html
If the OOTB RMA features are no tenough for you maybe you can check the Marketplace: https://marketplace.magento.com/catalogsearch/result/?q=rma#q=rma&idx=m2_cloud_prod_default_products...
I highly recommend you Magento 2 RMA Extension developed by LandOfCoder for a smart choice.
Magento 2 LOF RMA puts a stop to a heavy-loaded RMA procedure. Thanks to many handy built-in features, especially Workflow, it reduces many steps and speeds up RMA process.
In addition, this module is favored because of the following features:
If you want more information, access Magento 2 RMA Extension for your own experience.
Hope it useful for you
You can also try this Magento 2 RMA module https://amasty.com/rma-for-magento-2.html
It will let you to: