Item                                      Limit    ======================================================    Help file size                           2 gigabytes
Topics per topic (.rtf) file        No practical limit
Topics per Help file                No practical limit
Topics per keyword                800
Topic footnote length                16,383 characters
Keyword length                        255 characters
Hotspot hidden text                4,095 characters
Help title string                        127 characters
Topic title string                        127 characters
Custom window title string        50 characters
Custom window name                8 characters
Copyright string                        255 characters
Browse string                        50 characters    Referenced bitmaps                65,535 bitmaps per Help file
Filename                        259 characters
Font name                        31 characters
Font ranges                        20 ranges
Error log file                        No limit (Help Workshop can display 64K of text in Windows?5 and 1 MB of text in WindowsNT, but the log file itself has no size limit.)
Citation string                        2,000 characters
Window definitions                255 per Project file
Window caption                        50 characters
contents file entries                No practical limit
Contents headings                9 levels (indented)    Contents topic strings                255 characters (127 in a DBCS language)
Contents heading text                No practical limit