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.xlb file extension

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Microsoft Excel toolbar (customisations) file.

Microsoft Excel uses a single file to store toolbar information (including custom toolbars), the name of this file varies according to the version of Excel being used:

Excel Version File name
Excel 2003 Excel11.xlb
Excel 2002 Excel10.xlb
Excel 2000 Excel.xlb
Excel 97 Excel8.xlb
Excel 95 Excel5.xlb

.xlb files are used in versions of Excel up to and including Excel 2003. .xlb files are not used by later versions of Microsoft Excel.

This file is normally hidden.

For more information see:

Can you add to this? Do you know of any applications not already listed which will work with .xlb files, view .xlb files or open .xlb files? Are you able to contribute any additional reference information or file format information about .xlb files or have you spotted any errors or omissions? If so please let us know by emailing us at feedback@cryer.co.uk - Thank you.