<PAGE> PAGE 1
000 A000000 05/31/2000
000 C000000 0001002427
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MSDW MID-CAP EQUITY TRUST
001 B000000 811-7377
001 C000000 2123922550
002 A000000 TWO WORLD TRADE CENTER
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10048
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 MORGAN STANLEY DEAN WITTER ADVISORS INC.
008 B000001 A
008 C000001 801-42061
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10048
008 A000002 TCW INVESTMENT MANAGEMENT COMPANY
008 B000002 S
008 C000002 801-29075
008 D010002 LOS ANGELES
008 D020002 CA
008 D030002 90017
011 A000001 MORGAN STANLEY DEAN WITTER DISTRIBUTORS INC.
011 B000001 8-45262
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10048
012 A000001 MORGAN STANLEY DEAN WITTER TRUST FSB
012 B000001 84-1785
<PAGE> PAGE 2
012 C010001 JERSEY CITY
012 C020001 NJ
012 C030001 07311
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 DEAN WITTER REYNOLDS INC.
014 B000001 8-14172
014 A000002 MORGAN STANLEY & CO. INCORPORATED
014 B000002 8-15869
015 A000001 THE BANK OF NEW YORK
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 131
019 C000000 MSDW-FUNDS
020 A000001 DEUTSCHE BANK SECURITIES
020 B000001 13-2730828
020 C000001 20
020 A000002 THOMAS WEISEL PARTNERS
020 B000002 94-3310172
020 C000002 12
020 A000003 CITATION GROUP
020 B000003 13-3144415
020 C000003 12
020 A000004 BANKOF AMERICA NT & SA
020 B000004 94-1687665
020 C000004 11
020 A000005 LEHMAN BROTHERS INC.
020 B000005 13-2518466
020 C000005 10
020 A000006 CS FIRST BOSTON CORP.
020 B000006 13-5659485
020 C000006 10
020 A000007 MORGAN STANLEY & CO. INCORPORATED
020 B000007 13-2655998
020 C000007 8
020 A000008 DONALDSON LUFKIN & JENRETTE SECURITIES
020 B000008 N/A
020 C000008 8
020 A000009 BANCAMERICA ROBERTSON STEPHENS
020 B000009 95-4035346
020 C000009 8
020 A000010 SMITH BARNEY INC.
020 B000010 13-1912900
020 C000010 8
<PAGE> PAGE 3
021 000000 144
022 A000001 BANK OF NEW YORK (THE)
022 B000001 13-5160382
022 C000001 1585371
022 D000001 0
022 A000002 HSBC SECURITIES INC.
022 B000002 13-2650272
022 C000002 512080
022 D000002 39987
022 A000003 ZIONS FIRST NATIONAL BANK
022 B000003 87-0189025
022 C000003 529586
022 D000003 0
022 A000004 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000004 13-5674085
022 C000004 237910
022 D000004 20205
022 A000005 KNIGHT SECURITIES L.P.
022 B000005 13-3810923
022 C000005 180276
022 D000005 10317
022 A000006 CS FIRST BOSTON CORPORATION
022 B000006 13-5659485
022 C000006 179681
022 D000006 0
022 A000007 BANC OF AMERICA SECURITIES LLC
022 B000007 56-2058405
022 C000007 147101
022 D000007 0
022 A000008 SMITH BARNEY INC.
022 B000008 13-1912900
022 C000008 127451
022 D000008 1378
022 A000009 CHASE SECURITIES INC.
022 B000009 13-3112953
022 C000009 104691
022 D000009 0
022 A000010 MORGAN (J.P.) SECURITIES INC.
022 B000010 13-3224016
022 C000010 49891
022 D000010 0
023 C000000 3940613
023 D000000 92013
024 000000 N
025 A000001 DELETE
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
<PAGE> PAGE 4
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 120883
028 A020000 34854
028 A030000 0
028 A040000 29830
028 B010000 142501
028 B020000 0
028 B030000 0
028 B040000 44472
028 C010000 151389
028 C020000 0
028 C030000 0
028 C040000 40068
028 D010000 175617
028 D020000 0
028 D030000 0
028 D040000 60896
028 E010000 72365
028 E020000 0
028 E030000 0
028 E040000 46308
028 F010000 48613
028 F020000 0
028 F030000 0
028 F040000 38892
028 G010000 711368
028 G020000 34854
028 G030000 0
028 G040000 260466
028 H000000 681253
029 000000 Y
030 A000000 320
030 B000000 5.25
030 C000000 0.00
031 A000000 0
031 B000000 88
032 000000 0
033 000000 408
034 000000 Y
035 000000 798
<PAGE> PAGE 5
036 A000000 Y
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 6483
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 500000
048 A020000 0.750
048 B010000 1500000
048 B020000 0.725
048 C010000 1000000
048 C020000 0.700
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 3000000
048 K020000 0.675
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
<PAGE> PAGE 6
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 1000
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 0.0
066 A000000 Y
066 B000000 N
066 C000000 Y
066 D000000 N
066 E000000 N
066 F000000 N
066 G000000 N
067 000000 N
068 A000000 N
068 B000000 N
<PAGE> PAGE 7
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 N
070 K020000 N
070 L010000 Y
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 N
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 616047
071 B000000 172375
071 C000000 1835392
071 D000000 9
072 A000000 6
072 B000000 2807
072 C000000 443
072 D000000 0
072 E000000 0
072 F000000 7202
072 G000000 0
072 H000000 0
072 I000000 655
072 J000000 18
<PAGE> PAGE 8
072 K000000 0
072 L000000 110
072 M000000 9
072 N000000 152
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 34
072 S000000 13
072 T000000 6483
072 U000000 17
072 V000000 0
072 W000000 6
072 X000000 14699
072 Y000000 0
072 Z000000 -11449
072AA000000 37225
072BB000000 22127
072CC010000 0
072CC020000 105163
072DD010000 0
072DD020000 0
072EE000000 37368
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.8837
073 C000000 0.0000
074 A000000 0
074 B000000 7479
074 C000000 29979
074 D000000 0
074 E000000 0
074 F000000 1688524
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 3122
074 M000000 342
074 N000000 1729446
074 O000000 2887
074 P000000 2545
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 1995
074 S000000 0
074 T000000 1722019
074 U010000 50223
<PAGE> PAGE 9
074 U020000 2537
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 138777
074 Y000000 0
075 A000000 0
075 B000000 1969519
076 000000 0.00
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 Y
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE BARRY FINK
TITLE VICE PRESIDENT
