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How To Add Week Numbers to Microsoft Outlook Calendar

By on September 4, 2007 in Outlook

Microsoft Outlook || groovyPost.comAt work, I interact with Europeans on a daily basis.  When building schedules they often refer to “Week Numbers”.  Before I found this calendar option in Outlook it was a little annoying however now, I’ve been converted…..  I love it and I use week numbers for all kinds of things.

Update 3/2/2010 : Article updated to include Outlook 2010 Steps at the bottom of Tutorial.

Update 7/24/2012 : Just completed documenting the Outlook 2013 Steps as well if you’re looking for the latest how-to.

Below is a SIMPLE step by step for adding week numbers to your Outlook 2003 or Outlook 2007 calendar.  If your looking for the Outlook 2010 instructions, scroll to the bottom.  I just added those steps.

 

How To Add Week Numbers to Microsoft Outlook 2003 and 2007 Calendar

1: Click Tools, Options

add week numbers to outlook

 

2. On the Preferences tab, Click Calendar Options…

add week numbers to outlook

 

3. Check box “Show week numbers in the Month View and Date Navigator”

add week numbers to outlook

 

4. Click OK a few times and YOUR DONE!!! GROOVY!!!

 

BEFORE                                  AFTER

add week numbers to outlook   add week numbers to outlook

Snips above taken from Microsoft Outlook 2007

 

The steps for Outlook 2010 are a little different being that Microsoft moved things around a little with Office 2010.  Again, pretty straight forward.

 

How To Add Week Numbers to Microsoft Outlook 2010 Calendar

5.    Open Outlook 2010 and Click File, Options

Outlook 2010 File, Options Menu

6.   Click Calendar Tab then Scroll down to Display Options as shown below.  Check Box Show week numbers in the month and in the Date Navigator.  Click OK to Save

Add Week Numbers to Outlook 2010 Calendar

 

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110 Responses to How To Add Week Numbers to Microsoft Outlook Calendar

  1. OscarJJ September 5, 2007 at 8:34 am #

    Never actually knew this existed. Excellent quick tip!

    Reply
  2. Jelena September 25, 2007 at 12:10 am #

    Thanks,

    I spent a lot of time looking for this option.

    Reply
  3. MrGroove September 25, 2007 at 7:12 am #

    Welcome to the site Jelena!

    It’s excellent to see we were able to help.

    Reply
    • DAve September 9, 2009 at 8:21 am #

      @MrGroove,
      What can I do if the line in step 3 are “grayed out?”
      It won’t let me select it.

      Reply
      • MrGroove September 9, 2009 at 8:59 am #

        @DAve,

        Is this a work computer? I’m guessing your system administrator might have blocked it with Group Policy. Let me know if this isn’t a company pc.

        Reply
  4. Alnoor May 5, 2008 at 8:18 am #

    On Outlook 2003, there is a bug as January 1st 2008 up to January 6th 2008 is considered as Week 53 by Microsoft.
    How can I solve this issue?
    Thanks
    Regards
    Alnoor

    Reply
    • onceinalifetime June 21, 2011 at 1:32 am #

      In Outlook 2010 this is easy…In europe we donn’t start from jan 1st. Go to Outlook, File, Options, Working Time section, then change teh drop down for when the year starts. Doesn’t allow complete freedom (e.g. for university year) but does suit variations of year start.

      Reply
  5. MrGroove May 5, 2008 at 9:51 am #

    @Alnoor – Welcome to the site!

    That’s very odd. I’m looking at one of my machines running Microsoft Outlook 2003 and I don’t have a week 53. Week 1 starts as normal (12/30/07 – 01/05/08). Please start a thread in the FORUM and explain how your calendar is setup, specifically: What timezone are you in? What does did you set the Week to begin? What OS? Etc…

    Reply
  6. Stormin May 9, 2008 at 5:31 am #

    fantastic, excellent

    Reply
  7. MrGroove May 10, 2008 at 12:47 pm #

    @Stormin – Welcome to the site and Thank you for the feedback!

    Reply
  8. Goddammit June 9, 2008 at 9:41 am #

    I have Outlook 2003. When I go to Calendar Options, I only have the option to show week numbers in the Date Navigator. The text doesn’t match what you have in the screen shot. Is there some place is the system registry that I could go to enable the option to show it in the Month View as well?

    Reply
  9. MrGroove June 10, 2008 at 12:38 pm #

    @Goddammit – The screenshot was taken from Outlook 2007 so you are correct, your options WILL look a little different in Outlook 2003.

    Additionally, Outlook 2003 does not support the Week number in the Month view. Only Outlook 2007 does this hence the difference in the “Check” box Language. If you enable the Check box in Outlook 2003 however, you will have the week numbers in the date navigator (the little calendar on the left side of your calendar views) as shown in the screenshots at the END of my article.

    Sorry for the confusion. When I get a chance I’ll update the article to reflect this information.

    BTW – Welcome to the site! Nice name btw… ;)

    Reply
  10. Big Rich July 9, 2008 at 2:30 am #

    This is very useful.

    However, I work in a University and week 1 is the 1st September, and I would like to display these week numbers

    Any suggestions?? I use outlook 2007
    Big Rich

    Reply
  11. MrGroove July 9, 2008 at 8:35 am #

    @Big Rich – Welcome to the site!
    You ask an interesting question. I did some quick searching and what I’ve found “so far” is that Microsoft doesn’t support changing when in the year Week 1 Starts. Take a look here: http://support.microsoft.com/kb/196567

    I keep digging but it doesn’t look very promising. Perhaps one of our readers has move info?

    Thanks!

    Reply
  12. Jussi October 13, 2008 at 5:30 am #

    Wish iCal could do the same..

    Reply
  13. Tunc October 16, 2008 at 12:28 am #

    Thank you very much! It simplified my work and cease the confusions of work schedules.

    Reply
  14. Leendert October 21, 2008 at 2:23 am #

    Thanks for the very clear how to.

    Reply
  15. YankiStar November 6, 2008 at 7:16 am #

    Thank you so much. Such a simple thing. Go figure. Appreciate the help.

    Reply
  16. ishu November 17, 2008 at 3:33 pm #

    I’ve been looking for this option in the Outlook help forever. This is a lifesaver for me as otherwise I’ve to always refer to my desk calendar.

    Reply
  17. Priya December 8, 2008 at 6:51 am #

    Thanks a lot!!! I’ve been trying to display the week numbers for ages. Couldn’t find the topic on the help (F1) and was quite annoying as I work in Europe where people use these all the time. Great tip!

    Reply
  18. MrGroove December 8, 2008 at 6:57 am #

    @Priya – Excellent! Thank you for the feedback and welcome to the site! If you ever have an IT question, feel free to use of Community Forum – http://www.groovypost.com/forum/

    Reply
  19. Avshi March 2, 2009 at 3:05 am #

    Thanks! That’s very helpful

    Reply
  20. Matt March 3, 2009 at 6:12 am #

    Thanks! Very useful feature I didn’t know about.

    Reply
  21. Thomas March 15, 2009 at 5:51 am #

    Does anyone know of a way to automatically change this setting on a great number of pc’s? Ie. a registry setting I can import, a script I can run or some Group Policy setting?

    Thanks in advance!

    Reply
    • MrGroove March 15, 2009 at 4:38 pm #

      @Thomas – You can do it via the registry or GPO. I would reccomend the GPO of course.

      First you need to grab the 2007 Office system Administrative Template files. You can find that here:

      http://www.microsoft.com/downloads/details.aspx?FamilyID=92d8519a-e143-4aee-8f7a-e4bbaeba13e7&displaylang=en

      One you have those just set the GPO.

      GPO Path
      User Configuration\Administrative Templates\Microsoft Office Outlook 2007\Tools | Options\Preferences\Calendar Options\Calendar week numbers

      Once you set it to enabled and assign it to the Group or OU, you should be golden.

      If you want to roll it out a script and registry, here’s the corresponding key however if you had AD and your rolling this out to domain joined systems, use the GPO.

      Registry Key
      HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar\WeekNum – 1 Enabled, 0 Disabled

      Reply
  22. Karl July 15, 2009 at 11:31 pm #

    Thanks for the tip – been wondering for weeks how to do it!

    Reply
  23. Jimbob July 24, 2009 at 1:42 am #

    Excellent little tip. Stumbled across your site while Googling for ‘week number’ solutions. :-)

    Reply
    • MrGroove July 27, 2009 at 12:45 pm #

      @Jimbob,
      Excellent and Welcome to the site!

      Reply
  24. Carl August 18, 2009 at 4:03 am #

    Thanks Mr. Groove. Grooooooovy!

    Reply
    • MrGroove August 18, 2009 at 10:45 pm #

      @Carl,
      Excellent! Glad it helped you out. Welcome to the site!

      Reply
  25. Isaac September 9, 2009 at 1:39 am #

    Thank you very much! :)

    Reply
  26. Erich September 10, 2009 at 10:19 am #

    Hey man!

    REALLY helpful! I was so in need of it!

    Thanks!

    Reply
  27. bill September 16, 2009 at 10:31 am #

    thank you thank you thank you

    Reply
  28. Karen October 21, 2009 at 7:50 am #

    Thanks! You should rewrite Microsoft helps site, I couldn’t find this anywhere!

    Reply
    • MrGroove January 11, 2010 at 6:29 pm #

      Thanks for the compliment Karen!

      Reply
  29. Kate October 26, 2009 at 3:56 am #

    Thanks for this. I too searched the Outlook help – I knew this feature had to be available – but couldn’t find it. You gave me the answer and in very clear steps. I’m a tech writer; I appreciate well-written instructions. Hello, Microsoft! Are you listening?

    Reply
  30. Sheen November 6, 2009 at 4:43 am #

    Excellent Tip :-)

    Thank you.

    Reply
    • MrGroove January 11, 2010 at 6:30 pm #

      Thanks Sheen! Welcome to the site.

      Reply
  31. Mac January 6, 2010 at 6:54 am #

    One problem here is the Microsoft doesn't seem to follow the ISO standard when it comes to week numbering. At the moment (6th jan 2010) MS thinks this is week 2 when according to the ISO standard it should be week 1. I haven't figured out how to get around this yet.

    Reply
  32. Jeff January 6, 2010 at 8:17 am #

    A work around for the ISO week number is to change the day the week starts on to Friday.

    Reply
  33. Mac January 6, 2010 at 9:23 am #

    Jeff, where would you set that? I checked under Regional Settings but didn't spot it. I can solve it in Outlook but changing the “first week of year” but it's wrong in Excel too.

    Reply
  34. Jeff January 6, 2010 at 9:41 am #

    Mac, I ended up changing the “first week of year” as well, instead of changing “first day of week”. Location
    Tools -> Options -> Preferences -> Calendar Options -> Calendar work week (Outlook 2003).

    as for Excel ??

    Reply
  35. Mac January 6, 2010 at 9:47 am #

    I changed it the same way (Outlook 2007) but couldn't find any setting in Excel. It can be done in Excel using some formulas but using only “Weeknum” returns the incorrect week.

    You'd think it should be possible to change it via the control panel and let it apply to all programs. :(
    I can't find any such setting under “Date & Time” or “Regional & language Settings”.

    Reply
  36. Gideon January 11, 2010 at 4:24 am #

    problem is that if you change the 'first week of year' to 'first full week' then 2009 is incorrect as according to ISO the week beginning 28 Dec 2009 is week 53.

    Reply
    • MrGroove January 11, 2010 at 9:51 pm #

      And the bad news….. Outlook 2010 works exactly like Outlook 2007 so no fix there.

      Reply
  37. Mac January 11, 2010 at 4:28 am #

    It's about time certain companies tried to understand what the letters “IS” in ISO mean.

    Reply
  38. Jamil February 1, 2010 at 7:38 am #

    thanks man really needed this for university in netherlands

    Reply
  39. Kari February 4, 2010 at 4:23 am #

    All Outlook 2007 settings could be adjusted from outlook:
    tools-options-calendar options.

    Like said earlier, based on ISO first week of the year is: First 4-day week!

    From the same page you could also set outlook to “Show week numbers…”

    Restart outlook, and problems are solved :)

    Reply
    • MrGroove February 4, 2010 at 9:35 am #

      Thanks for the tip Kari. Knowledge in crowds!!!

      Reply
  40. Kari February 4, 2010 at 4:27 am #

    By the way, it is the same page shown on top here.
    Simply adjust “First week of the year” to “First 4-day week”

    Reply
  41. Henri Hamende March 2, 2010 at 3:32 am #

    Thank you god !!!!!

    Reply
    • MrGroove March 2, 2010 at 10:17 am #

      @Henri

      I’m guessing the article helped out? Thanks for the feedback!

      Reply
  42. Derek April 27, 2010 at 6:44 am #

    Thank you!

    Reply
  43. Kam April 29, 2010 at 1:13 am #

    Thanks for this – found this via google and its perfect!
    Best to all.

    Reply
  44. lola May 5, 2010 at 7:39 am #

    this is quite helpful. thank you very much!

    Reply
  45. Cor May 11, 2010 at 3:33 am #

    Thanks for the excellent and clear explanation.
    Incredible why this cannot be found in Outlook Help.

    Cor

    Reply
    • MrGroove May 11, 2010 at 8:24 am #

      @Cor – I also added the steps (starting on step 5 I think???) regarding how-to add the week numbers to the outlook calendar for outlook 2010 so hopefully that helps you out once you upgrade!

      Reply
  46. d June 4, 2010 at 2:12 am #

    THANKS!

    Reply
  47. Sembygg June 14, 2010 at 1:54 am #

    Thank you so much! I’ve been looking for this :)

    Reply
  48. Molly July 10, 2010 at 8:50 am #

    Thanks – you rock!!!

    Reply
  49. JAC August 6, 2010 at 6:31 am #

    do you know how to change the first week of year date? i.e. to tie in with our financial year not the calender year? (all options seem to be for 1st jan, 1st full week in jan etc..)

    thanks

    Reply
    • MrGroove August 6, 2010 at 9:36 pm #

      Yeah…. I think the features are defiantly tied to the Week numbers of calendar year rather than fiscal year. Sorry…

      Reply
  50. Vivi August 12, 2010 at 10:19 am #

    Hi, thanks for the great tool look up shared. For year 2010, I find that I can align the outlook week with the ISO week by choosing the option to have the first week start at the First 4-day week. Does anyone know if this option would always make the outlook calendar align with the ISO weeks for future years?

    Reply
    • MrGroove August 12, 2010 at 10:28 am #

      I’m going to guess yes since the option is not year specific. ???

      Reply
  51. fooristal August 20, 2010 at 6:31 pm #

    Thanks,
    This is really good tip for me.

    Reply
  52. sg3707 September 8, 2010 at 9:09 pm #

    Thanks

    Reply
  53. Kapil Kapoor November 27, 2010 at 10:10 pm #

    Thankyou, it was very useful. :-)

    Reply
  54. Richard November 29, 2010 at 7:47 am #

    Thank you, really usefull tip!

    Reply
    • MrGroove November 29, 2010 at 11:05 am #

      Your welcome Richard! Glad it worked out for ya.

      Reply
  55. Avire January 19, 2011 at 11:34 pm #

    Amazing, years on and this info is still not easely available on the outlook help file, but a google search on the exact same terms gives this site as #1 :)

    Reply
    • MrGroove January 20, 2011 at 12:28 am #

      And you would be shocked how popular this article is…. Not easy to find but once you find it, simple to configure!

      Reply
  56. sikander shaikh February 2, 2011 at 9:29 am #

    Thank you for this blog..
    It really helped me.

    Reply
  57. Mr. Dk February 6, 2011 at 2:36 am #

    Anybody knows how to solve the problem with showing week numbers in Outlook in Office 2011 for MAC?

    Reply
  58. TeamLeyner March 2, 2011 at 10:44 am #

    Awesome! Thanks for the easy to follow tip. 20 minutes to hunt this down in 2010 with no success. Gotta start here in the future!

    Reply
  59. Magnus April 12, 2011 at 1:51 am #

    Would like to know how to do it in Office for MAC 2011. It does not seem to have this feature. Will there be any patch for this anyone?

    Reply
    • Carsten May 16, 2011 at 8:17 am #

      Yes, please … anybody???
      I would like to see week numbers in office:mac 2011′s Outlook!

      Reply
      • MrGroove May 16, 2011 at 9:56 pm #

        Ah! Very good idea. My MAC is at work tonight so I’ll take a look in the morning and post a brand new How-To for ya ok Carsten!

        Reply
      • MrGroove May 23, 2011 at 4:22 am #

        Bad News – MAC Office 2011 does NOT support the ability to add week numbers to your calendar. This is as of 5/23/2011. I’ll keep everyone updated if they add it in a future release… sorry

        Reply
  60. m May 16, 2011 at 7:34 am #

    Thanks.. :)

    Reply
  61. liquid84 May 26, 2011 at 4:17 am #

    Thank you sooooo much!!!! :D

    Reply
  62. Jesal June 17, 2011 at 7:51 pm #

    Thanks…. :)

    Reply
  63. Maria July 13, 2011 at 5:39 am #

    This just made my life soooo much easier! Thank you!

    Reply
  64. Newton August 25, 2011 at 5:54 am #

    THANK YOU !!!

    Reply
  65. Adam September 12, 2011 at 10:18 am #

    Just wanted to say thanks for the great post. Big, big help. Nicely done.

    Reply
  66. Murthy September 21, 2011 at 2:02 am #

    Thanks a million. Very very useful

    Reply
    • MrGroove September 21, 2011 at 7:24 am #

      You’re welcome and thank you for the feedback.

      Reply
  67. giulia October 4, 2011 at 12:20 am #

    fantastic! u made my day

    Reply
  68. Rowena October 5, 2011 at 2:06 am #

    Thanks for saving me time!!

    Reply
  69. Valentin October 6, 2011 at 1:40 am #

    Perfect help! Thank you!

    Reply
  70. Aidan February 9, 2012 at 9:06 am #

    Very Helpful. Liked the simple way you presented the instructions. Wish all tech advice was so clearly and cleanly deliver.

    Reply
  71. Martin February 15, 2012 at 3:29 am #

    What fries my tits is, I cannot see what day it is when scrolling through week view in Calendar, I cannot see what day it is. I rarely know the date so I’ve research to do before i can add an appointment.

    Mart

    Reply
  72. Benoit March 8, 2012 at 11:43 am #

    Thanks!

    Reply
  73. Leslie Roach March 12, 2012 at 4:39 pm #

    Is there a way to add “week number” as a column in the Calendar All Appointments view ??

    Reply
  74. syed March 21, 2012 at 5:33 am #

    Superb thanks for the quick tip

    Reply
  75. João June 5, 2012 at 7:29 am #

    Thank you! very useful help.

    Reply
  76. Crystalline1 June 13, 2012 at 4:02 am #

    My work heavily uses week # – your tip increased my productivity. Thank you so much!!

    Reply
  77. Paolo Cruz June 21, 2012 at 5:52 am #

    Hello, cai you help me to find out how to enable this feature on Outlook for Mac 2011? Cheers!

    Reply
    • Paolo Cruz June 21, 2012 at 4:53 am #

      *can you…

      Reply
    • Steve Krause June 21, 2012 at 7:41 am #

      Hi Pablo,

      Unfortunately the feature is not available yet on Mac Office 2011. I’ve been waiting for it and will write about it once it is added.

      Reply
  78. lala July 19, 2012 at 10:06 am #

    Awesoome!

    Reply
  79. Wesley Bakker September 10, 2012 at 1:16 am #

    Just a thanks. Was looking in view settings and couldn’t find it. A quick google search showed me your post and now I’ve got my week numbers.

    Reply
  80. Paris September 14, 2012 at 2:50 am #

    Thanks! avoid me spending a hour looking for it :)

    Reply
  81. Gary September 18, 2012 at 1:53 am #

    Thanks. This is helpful. Wondering why this is not in the MS Outlook Help though…

    Reply
  82. Chuck February 28, 2013 at 8:22 am #

    Thanks, good information

    Reply
  83. Shai February 28, 2013 at 10:58 am #

    Thank you! Nice, quick, concise response. Truly appreciate your help with this.

    Reply
    • Steve Krause February 28, 2013 at 1:57 pm #

      Yeah you bet! Glad it helped you out and welcome to groovyPost!

      Reply
  84. E March 8, 2013 at 9:43 am #

    Thanks a lot for the quick tip!

    Reply
  85. Thijs ten Raa April 2, 2013 at 1:47 am #

    Got it, very clear. Thank you.

    Reply

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  1. How to Add Week Numbers to your Outlook 2013 Calendar - July 24, 2012

    [...] so this is a must for any install of Office. For those of you not yet running Office 2013, this feature is also available in Office 2007 or Office 2010  so take a look at that old groovyPost to enable [...]

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