MVD is a demo format which allows you to view a demo from all POVs + you get much smaller file. MVD can be played by modern QW clients, like FuhQuake.

More info - http://en.wikipedia.org/wiki/MVDSV

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 7118   18332  38.8% -lh5- d1a6 Sep 12  2003 qwdtools_mos/COPYING
[generic]                  397     721  55.1% -lh5- a9f8 Sep 13  2003 qwdtools_mos/INSTALL
[generic]                  180     273  65.9% -lh5- 39c0 Sep 13  2003 qwdtools_mos/NEWS
[generic]                52730  147984  35.6% -lh5- cad5 Jan 27  2007 qwdtools_mos/qwdtools
[generic]                  490     828  59.2% -lh5- d4ba Sep 13  2003 qwdtools_mos/README
[generic]                 1605    3609  44.5% -lh5- bdd7 Sep 13  2003 qwdtools_mos/src/bothdefs.h
[generic]                 1789    4407  40.6% -lh5- 854a Sep 13  2003 qwdtools_mos/src/defs.h
[generic]                 7979   31916  25.0% -lh5- 28e4 Sep 13  2003 qwdtools_mos/src/dem_parse.c
[generic]                11408   36364  31.4% -lh5- 518d Jan 27  2007 qwdtools_mos/src/dem_parse.o
[generic]                 3515   11933  29.5% -lh5- e387 Sep 13  2003 qwdtools_mos/src/dem_send.c
[generic]                 4568   12364  36.9% -lh5- 383d Jan 27  2007 qwdtools_mos/src/dem_send.o
[generic]                  865    2109  41.0% -lh5- a7ec Sep 13  2003 qwdtools_mos/src/ini.c
[generic]                 1078    2896  37.2% -lh5- cd70 Jan 27  2007 qwdtools_mos/src/ini.o
[generic]                 4030   12712  31.7% -lh5- 7a1d Sep 13  2003 qwdtools_mos/src/init.c
[generic]                 5922   17652  33.5% -lh5- 295d Jan 27  2007 qwdtools_mos/src/init.o
[generic]                 5818   18887  30.8% -lh5- 871a Jan 27  2007 qwdtools_mos/src/main.c
[generic]                 8484   25040  33.9% -lh5- 8dc7 Jan 27  2007 qwdtools_mos/src/main.o
[generic]                  413     811  50.9% -lh5- 752d Jan 27  2007 qwdtools_mos/src/Makefile
[generic]                 3440    9182  37.5% -lh5- e9f5 Sep 13  2003 qwdtools_mos/src/protocol.h
[generic]                  972    2194  44.3% -lh5- e673 Sep 13  2003 qwdtools_mos/src/qwz.c
[generic]                  523    1072  48.8% -lh5- 0ed1 Jan 27  2007 qwdtools_mos/src/qwz.o
[generic]                 5581   19146  29.1% -lh5- e0d1 Sep 13  2003 qwdtools_mos/src/tools.c
[generic]                 1090    3425  31.8% -lh5- 0211 Sep 13  2003 qwdtools_mos/src/tools.h
[generic]                 7410   23176  32.0% -lh5- a31c Jan 27  2007 qwdtools_mos/src/tools.o
[generic]                   78      97  80.4% -lh5- eb71 Sep 13  2003 qwdtools_mos/src/version.h
[generic]                 1310    3517  37.2% -lh5- ff42 Sep 13  2003 qwdtools_mos/src/world.h
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        26 files  138793  410647  33.8%            Feb 15  2007