-- card: 35601 from stack: in.0
-- bmap block id: 0
-- flags: 0000
-- background id: 34011
-- name: convertingStacks


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The file format of HyperCard 2.0’s stacks is different from that of stacks created with earlier versions of HyperCard. Stacks in the old format can be opened as READ-ONLY by HyperCard 2.0.

When such a stack is opened, the Compact Stack... option in the File menu becomes Convert Stack..., so that the stack can be converted to the new format. 

ONCE A STACK IS CONVERTED, IT CANNOT BE RETURNED TO THE OLD FORMAT. Before converting a stack, you can (and should) save a copy of it by choosing Save a Copy... from the File menu.

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CONVERTING STACKS