Cannot close Excel file when file name contains brackets

Important: This issue is now closed with the fix indicated below. For more information on other recent issues for your application, see Fixes or workarounds for recent Office issues.

Last Updated: November 14, 2017

ISSUE

You may have problems closing a workbook in protected view when the Excel file name contains square brackets (e.g., Book1[1234].xlsx).

This issue first appeared in Monthly Channel Version 1704 and would occur if you open the same file twice in protected view. You may also see this error "Sorry Excel can't open two workbooks with the same name at the same time."

STATUS: FIXED

This issue is fixed in Monthly Channel Version 1708 (8431.2110). To get the latest update immediately, open Excel and choose File > Account > Update Options > Update Now.

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