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This article is about the player's inventory. For other uses, see Backpack (disambiguation).
Backpack case.png

The backpack is a player's personal inventory, allowing for storage for all in-game items. Items are kept in individual slots and can be viewed, moved or deleted from within the backpack interface. Additionally, most tool items can only be used from within the backpack. Items are displayed as pages, with each page displaying 50 items. The backpack can also be sorted by class, quality, loadout slot, and type.

Before the backpack, there was a simple loadout screen for each class (introduced with the Gold Rush Update) which contained only weapon slots. Those classes who had updates released could use it to select between the stock and any achievement items that had been unlocked. The backpack (along with the class loadout screen proper) was introduced into the game some time between the Scout and Sniper vs. Spy Updates, with an initial storage capability of 50 items, even though it could only store the 12 unlocked achievement items at that point (which could be deleted and never re-earned: April 20, 2009 Patch). The Sniper vs. Spy Update introduced the item drop system, which used this extra space. This was originally designed to supplant achievement weapon unlocking entirely, although achievement unlocks were reintroduced a week later due to public outcry. The storage size has since been increased on multiple occasions, and as of the Australian Christmas update in December 2010, the backpack now consists of 300 slots (or 6 pages). The Australian Christmas update also introduced the Backpack Expander tool, enabling the addition of 100 more slots per use to a total of 2000 backpack slots. The Jungle Inferno Update increased the maximum backpack slots from 2000 to 2500, followed by an expansion to 3000 total slots for Smissmas 2017. Free-to-Play Team Fortress 2 players are limited to a single backpack page (50 slots); once they become Premium players with any in-game purchase or the use of an Upgrade to Premium Gift, their backpack is upgraded to the standard capacity.

Items, when moved within the backpack, make a distinct sound based on the properties of the item itself; a distinct sound is usually heard when an item is picked and another when it is put down again. For example, the Eyelander, when moved, produces the sound of a sword being drawn, and Bonk! Atomic Punch makes the sound of a pop top opening when it is picked up and the sound of a soft drink can falling to the ground when it is put down. Some items have unique sound effects, such as Ze Goggles, which make a sound that resembles the goggles turning on and off. Noise Makers play their sound effects.

Clicking on an item displays a context menu, detailing actions that can be done with the item. These include opening the loadout of a class that can equip the item, giving the item a custom name, giving the item a custom description, painting the item, restoring a customized item back to its original state, using the item from inside the backpack, delivering a gift, purchasing a key from the Mann Co. Store, simultaneously purchasing the key and opening a crate, trading the item to another player, selling the item on the Steam Community Market and deleting the item. Hovering over the Go to Loadout option displays a panel showing the classes that can equip the item, while hovering over the Paint option displays a panel showing the available colors and their paint splotches.

Update history

April 20, 2009 Patch
  • Added the ability for players to permanently delete items from their inventory using the backpack menu. This does not reset achievements. Once an item has been deleted it can never be re-earned.

August 13, 2009 Patch

  • Added drag & drop to move items around. Item positions are maintained on the backend.
  • Added multi-select, allowing you to delete multiple items at once.
  • Added a key to the key binding page that opens your inventory directly to your backpack.
  • Fixed mouseover panel being incorrectly position when the backpack first appears.

September 15, 2009 Patch

  • The backpack's storage capability was increased to 100.
  • Backpack can now be sorted by type.
  • Multi-selection in the backpack is now done by holding down the Ctrl key.

June 10, 2010 Patch

  • Added help to the backpack screen.

September 30, 2010 Patch (Mann-Conomy Update)

  • The backpack's storage capability was increased to 200.

December 17, 2010 Patch (Australian Christmas)

  • The backpack's storage capability was increased to 300.
  • The Backpack Expander tool was introduced, enabling the addition of 100 more slots per use to a total of 1000 backpack slots.

April 14, 2011 Patch (Hatless Update)

  • Backpack can now be sorted by Rarity.
  • Improved the backpack sorting algorithms.

April 15, 2011 Patch

  • Fixed backpack being unavailable for some players.

April 18, 2011 Patch

  • Fixed a few backpack images not drawing correctly.
  • Fixed players not being able to access their backpack loadout.

May 6, 2011 Patch

  • [Undocumented] Clicking restore in backpack on a numbered item now prompts to remove the number as well.

May 12, 2011 Patch

  • Added a “Show in Backpack Order” setting to the loadout slot select screen.

June 23, 2011 Patch (Über Update)

  • Free-to-Play backpack rules defined. Free backpacks are limited to 50 items but become standard backpacks upon upgrading to Premium status.

August 18, 2011 Patch

  • [Undocumented] Brought back the ability to view item levels in the in-game backpack.

September 2, 2011 Patch

  • Added a checkbox to the backpack dialog that will colorize items based on their quality.

October 13, 2011 Patch (Manniversary Update & Sale)

  • When sorting the backpack, otherwise-equivalent items will sort by strange weapon rank and crate series number if possible.

November 16, 2011 [Item schema update]

  • Fixed a bug that would cause backpacks to not display for certain players.[1]

February 16, 2012 Patch

  • Steam inventory/trading sort order now matching the in-game backpack.

March 22, 2012 Patch

  • Double-clicking on a tool in the backpack view will now use that tool.

July 20, 2012 Patch

  • Fix a bug that caused gameservers to not properly receive client inventory updates. (Frequent cause of the "The server you are playing on has lost connection to the item server" error message.)

August 2, 2012 Patch

  • Fixed GetPlayerItems web APIs not respecting inventory privacy settings.

October 17, 2012 Patch

  • Improved the "Restore" UI for customizing items in backpack.

November 21, 2012 Patch

  • Increased the maximum size of backpacks from 1000 to 2000.

March 19, 2013 Patch

  • Fixed custom paint not showing in the tool tip when you mouse-over an item in your backpack.

December 20, 2013 Patch

  • Updated the backpack to filter to automatically filter for valid items when using a tool.

February 7, 2014 Patch

  • Improved loading of item information panels to prevent hitches when cycling through backpack pages.
  • Fixed the "equipped" label being displayed on incorrect backpack panels when equipping items.

April 1, 2014 Patch

  • Improved the Backpack UI.
    • Added page buttons for all pages.
    • Removed prev/next buttons.
    • Updated the drag/drop behavior to interact with the page buttons.

December 8, 2014 Patch

  • Redesigned the backpack panel
    • Clicking on an item creates a context menu that lists the valid actions for that item.
    • The context menu replaces the buttons that were used for interacting with items.

December 12, 2014 Patch

  • Fixed the backpack panel not highlighting the currently selected page number.

January 27, 2015 Patch

  • Fixed wrapped Giftapult packages not having the "Deliver Gift" option in the context menu.

April 29, 2015 Patch

  • Fixed not being able to preview paint changes in the backpack.

October 1, 2015 Patch

October 28, 2015 Patch (Scream Fortress 2015)

  • Added "Sort by Date" to the backpack. Newest acquired or altered items are sorted to the front.

October 29, 2015 Patch

  • Fixed a client crash related to the backpack.
  • Fixed "Sort by Date" sorting in the wrong order in the backpack (design is to sort with newest items in the front).

October 20, 2017 Patch #1 (Jungle Inferno Update)

  • Increased the maximum number of backpack slots to 2500 (from 2000).

November 7, 2017 Patch

  • Fixed a client hitch related to the backpack.

December 21, 2017 Patch #1 (Smissmas 2017)

  • Increased the maximum number of backpack slots to 3000 (from 2500).


  • Occasionally, due to various reasons, items may become "invalidly placed" when placing an item on top of a different item so that one of the items disappear (Note: The item is not gone from the backpack. The player must then move around items to make it reappear).
  • With "Show quality colors" toggled on, dragging an item into invalid space (off the border, into the header) resets it without its quality color. The quality color returns when switching the page or highlighting the item.
  • When "Show quality colors" is enabled, the name of the item in the icon cannot be seen in the equip menu or crafting menu. However, this does not matter as a box appears with the name along with details of the item.
  • When both "Show quality colors" and "Show Stock items" are toggled on, the Normal quality stock items are given yellow highlighted borders, as if they are Unique quality.
  • It is possible to receive items via Steam trade (not in-game) even if the backpack is full. New items are not shown in the game's backpack and cannot be used in crafting, but can be used in game and can be viewed in the Steam inventory. Removing or trading enough items and resorting to the backpack makes new items fully available. Note that new items can occasionally be removed from the backpack with no warning after entering a game.
  • When dragging an item to another page, the pop-up displays the wrong item in relation to where the cursor is.
  • Changing the anti-alias settings or resolution from the game's options makes the text when mousing over an item translucent. This is fixed by rebooting the game.
  • Upon selecting an item with settable styles and moving the cursor around using the arrow keys, one is able to view the model of applicable items selected, even if their style cannot be set.
    • If the 'OK' button is pressed when viewing a item that does not have multiple styles, the game crashes.
  • When viewing the context menu of a paintable item, the Paint submenu lists "Paint Can" as a possible color.
  • Occasionally, certain item icons may disappear when the player has been in a Casual Mode match previously.
    • This can be fixed by using the Sort Backpack dropdown selection.


  • When sorted by class, the class order uses the internal order (which is the same as Team Fortress Classic) rather than the more familiar role-based ordering.





  1. Post by Tony Paloma (Valve) in thread "Item servers are down.....", Steam Users' Forums, November 16, 2011. Accessed December 2, 2011.

See also