Right well I like looking at everything online and I stumble upon a lot of clothing and noticed some Office themed ones so thought I'd post for the fans what I've found :) (I know "That's What She Said" isn't created by The Office but it's said a lot so yeah)

That's What She Said
Price: $20.95-$22.95
Sizes: Male S-3XL : Female S-XL
Where at: link

That's What She Said
Price: $16.95-$18.45
Sizes: Male S-3XL : Female S-XL
Where at: Snorgtees (link and link)

That's What She Said
Price: $17.99
Sizes: Male S-3XL : Female S-L
Where at: Busted Tees (link and link)

Schrute's Beet Farm
Price: $20.95-$22.95
Sizes: Male S-3XL : Female S-XL
Where at: link

Scrantonicity World Tour
Price: $20.95-$22.95
Sizes: Male S-3XL : Female S-XL
Where at: link

Scrantonicity
Price: $16.95-$18.95
Sizes: Male S-3XL : Female S-XL
Where at: Snorgtees (link and link)

Assistant To The Regional Manager
Price: $20.95-$22.95
Sizes: Male S-3XL : Female S-XL
Where at: link

Assistant To The Regional Manager
Price: $16.95-$18.45
Sizes: Male S-3XL : Female S-XL
Where at: Snorgtees (link and link)

Schrutebuck
Price: $16-$17
Sizes: Male S-3XL : Female S-XXL
Where at: Lucky Threadz (link and link)


If you know of any others please say so in comments, would be great :D (none of these are "official" shirts, you can find them more easily, lol)