Storage Guide
There are different ways to store your excess armor, resources and items. Currently there are 8 different ways to store any extra items you have:
Bank in City Square
Bank in Settlement of Chernag / Settlement of Klesva
Storage in Guild of Artisans
Chest in entrance to BOV Sanctuary
Chest / Cupboard in Tavern
Storage in Underwater World
Cells in the Witch's repository
Storage in Estate
Above is how you see your bank information in the tab "View" within the "Safe Deposit Box" or while you don't have access to the banks.
Banks
The Banks are the main source of storage. Both Banks at City square and Settlement of Chernag / Settlement of Klesva have available boxes that constist of 9 spaces. Each box can be bought for 3g. Chigrik the Thief in Glade of Dreams and Gloum the Swinder in Barrow of Sadness will sell extra spaces in the boxes. Each extra space however will cost 3g and the maximum amount of spaces is limited to 21 per box.
Storage in Guild of Artisans
This storage are is based on your secondary profession. It is accessible from City Square. You will need to have at least 60 mastery on your secondary profession (Alchemist, Jeweler, Sorcerer), and then you need to talk to a secondary profession teacher to be able to access it. Size of the storage in guild of artisans will depend on you second profession mastery, with a box being granted every 30 mastery.
Chest in entrance to BOV Sanctuary
To use the BOV chest you will need to assemble a key, as shown below (level 6+).
Each of the fragment can drop from any Golem and Gordt, with the forth fragment bought at the tavern. Once activated in the BOV cloister you will have access to the chest, giving 5 spaces for storage.
Storage in Underwater World
Once you have gone far enough in the quest Resurrection of the Chaos Demigod / Exorcism of Orlufia you will have access to the Underwater World.
The first 9 storage spaces you can get in the Chest in Temple of Water for finishing the quiz given by Aquazurion.
An additional 5 spaces are available after assembling the Pirate Map and completing the quest for it. More information can be found in the Guide to the Sunken Ship Instance.
Cells in the Witch's repository
A level 9 with access to the Islands of Eternal Frost can take the quest "The Sorcerer's Curse" from Blizzard Grip in Glacial Ridge / Spirit Messenger in Snowy Echo Coast. Completing the quest will grant access to the 5 storage cells in the witch doctors hut.
Storage in Estate
To access storage in an Estate you must be at least level 5 and purchases an estate. Once the Town Hall is built to lvl 1 you will have 2 storage spaces available there. For each increase of the Town Halls level an additional space is added. Also there is a Repository in the estate which can freeze items with a timer as long as they are placed into the repository. Just like with the town hall storage, the repository must be built and leveled up to increase the number of boxes.