Notable to use password option in zip command

zip -P abc -r FBE_SalesRepAccount_20170913125741.zip FBE_SalesRepAccount_20170913125741.txt

zip error: Invalid command arguments (encryption not supported)
zip -v
Copyright (C) 1990-1999 Info-ZIP
Type 'zip "-L"' for software license.
This is Zip 2.3 (November 29th 1999), by Info-ZIP.
Currently maintained by Onno van der Linden. Please send bug reports to
the authors at Zip-Bugs@lists.wku.edu; see README for details.

Latest sources and executables are at ftp://ftp.cdrom.com/pub/infozip, as of
above date; see http://www.cdrom.com/pub/infozip/Zip.html for other sites.

Compiled with gcc 2.96 20000731 (Red Hat Linux 7.2 2.96-128.7.2) for Unix (Linux ELF) on Jan  6 2005.

Zip special compilation options:
        ASM_CRC
        ASMV
        USE_EF_UT_TIME

Zip environment options:
             ZIP:  [none]
          ZIPOPT:  [none]

It appears that this might be the one from this site: Info-ZIP Home Page

If so, the page suggests you might want zipcloak instead. I have not used these tools, but that might give you a starter.

I hope that this helps,
Robin