Playlist Duration

Channel · @professormesser

Professor Messer

@professormesser · 1.4M subscribers · 799 videos (1 unavailable) · newest 800 of 3,262

A course from this channel is on Best free CompTIA A+, Network+ and Security+ courses on YouTube, ranked by total hours

Total watch time

29d 4h 19m

at 1× speed · exactly 29 days, 4 hours, 18 minutes, 46 seconds at 1×

Open on YouTube All uploads as a playlist JSON

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Uploads by year

6 years (newest uploads only)
YearVideosWatch timeAverage
2026394d 31m2h 28m 29s
20251855d 22h 47m46m 18s
20241355d 13h 19m59m 15s
20231705d 17h 53m48m 40s
20221805d 21h 51m47m 17s
2021901d 23h 59m31m 59s

Playlists (29)

Every public playlist on the channel — open one for its full breakdown

Lengths are calculated on demand so this page stays fast.

#PlaylistVideosLength
1 CompTIA A+ 220-1201 Study Group 17 length →
2 CompTIA A+ 220-1202 Study Group 17 length →
3 CompTIA A+ 220-1202 Training Course 74 length →
4 CompTIA A+ 220-1201 Training Course 63 length →
5 CompTIA N10-009 Network+ Study Groups 26 length →
6 CompTIA N10-009 Network+ Training Course 87 length →
7 CompTIA SY0-701 Security+ Study Groups 34 length →
8 CompTIA SY0-701 Security+ Training Course 121 length →
9 CompTIA 220-1102 A+ Study Groups 34 length →
10 CompTIA 220-1101 A+ Study Groups 34 length →
11 CompTIA 220-1102 A+ Training Course 69 length →
12 CompTIA 220-1101 A+ Training Course 68 length →
13 CompTIA N10-008 Network+ Study Groups 33 length →
14 CompTIA N10-008 Network+ Training Course 93 length →
15 IT Careers 3 length →
16 CompTIA SY0-601 Security+ Study Groups 35 length →
17 CompTIA Security+ SY0-601 Training Course 177 length →
18 CompTIA Network+ Study Group Archive 83 length →
19 SY0-501 Security+ Take Ten Challenges 2 length →
20 CompTIA 220-1002 A+ Study Groups 41 length →
21 CompTIA 220-1002 A+ Training Course 63 length →
22 CompTIA 220-1001 A+ Study Groups 41 length →
23 CompTIA 220-1001 A+ Training Course 74 length →
24 CompTIA Network+ N10-007 Training Course 102 length →
25 CompTIA Security+ SY0-501 Training Course 141 length →
26 Professor Messer's CompTIA 220-902 A+ Certification Training Course 65 length →
27 Professor Messer's CompTIA 220-901 A+ Certification Training Course 77 length →
28 CompTIA SY0-501 Security+ Study Groups 38 length →
29 CompTIA N10-007 Network+ Study Groups 44 length →

Longest uploads

Top 5 · 3h 17m and down
  1. Professor Messer's SY0-601 Security+ Study Group - July 2022 · 3:17:21 · 2022-07-27
  2. Professor Messer's 220-1101 A+ Study Group - August 2022 · 3:14:53 · 2022-08-02
  3. Professor Messer's N10-008 Network+ Study Group - August 2022 · 3:14:04 · 2022-08-17
  4. Professor Messer's SY0-601 Security+ Study Group - March 2022 · 3:10:33 · 2022-03-16
  5. Professor Messer's SY0-601 Security+ Study Group - October 2021 · 3:06:55 · 2021-10-27
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Watch time: 29d 4h 19m · 799 videos

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Data from the YouTube Data API as of 2026-10-20 (cached). Uploads are counted newest first; private, deleted and live videos are excluded from totals.