Starting Outlook is very slow, up to a minute. How to speed this up?

Hi everyone,

Starting Outlook is very slow,, up to a minute.

outlook_2013_hangs_loading_profile.png
After some Googling this seemed to be the solution:
Start Outlook with: outlook.exe /safe
In Outlook, go to File -> Options -> Advanced -> Display -> Tick "Disable hardware graphics acceleration" -> OK

However, after a PC restart it returns to slow.

All effected Outlooks are configured with an Exchange account (different providers).
AgrippaSenior IT ConsultantAsked:
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Mark GalvinManaging Director / Principal ConsultantCommented:
Hi

Are you using any AddIns in Outlook?

Thanks
Mark
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AgrippaSenior IT ConsultantAuthor Commented:
Hi Mark,

yes, but already disabled them.
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Fred MarshallPrincipalCommented:
Maybe it's a typo but the Question here on EE shows both Outlook 2013 and Outlook 2016.
Just in case: It's NOT a good idea to have more than one Office installed at the same time.  All sorts of strange troubles occur.

I would run DISM and SFC and repair Outlook.
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Muhammad AsifSenior Solutions ArchitectCommented:
Hi,

Please make sure that you have not disabled/unchecked option of "Used Cached Exchange Mode" at Control Panel -> Mail -> Profile -> Email Accounts -> cick on email address -> click on change.  For details, you may also refer to the given below screenshot.

Exchange-cached-Mode.PNG
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Hello ThereSystem AdministratorCommented:
1. Before launching Outlook, disconnect your PC from network... Then close Outlook.
Now open Outlook again. Will it load immediately?
2. In the Options dialog box, click Advanced. In the list of available options, click to select the Disable hardware graphics acceleration check box.
3. Reboot properly with shutdown -r -t 1 command
4. Go to Settings -> Network and Internet -> Status -> Network Reset -> confirm
5. Try to recreate Outlook Profile.
Press WinKey+R.  In the Open field, type regedit and hit Enter
Delete the following key to delete profile, once deleted re-create the profile.
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\ CurrentVersion\Windows
Messaging Subsystem\ Profiles

Are PST files large?
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AgrippaSenior IT ConsultantAuthor Commented:
There are nog PST files, only OST since I use Exchange with cache. With cache disabled, the problem is the same. I only run one Outlook version, 2016. Recreating the profile doesn't fix it.

Also: I have it on 20 different computers, so I was thinking: an Exchange problem or a Windows update problem, since the problems started around the same period.
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Hello ThereSystem AdministratorCommented:
You can try to recreate Windows profile on one test machine.
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AgrippaSenior IT ConsultantAuthor Commented:
I think we have a server side issue, I have technicians looking into that...
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Seth SimmonsSr. Systems AdministratorCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Not enough information to confirm an answer.

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

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Hello ThereSystem AdministratorCommented:
Any progress?
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AgrippaSenior IT ConsultantAuthor Commented:
Sorry guys, forgot about it since EE is registered on a mailadres which I need to check more often!

What I found out is when Outlook is older then these versions:
    - 16.06741.1014 Outlook 2016
    - 15.4753.1002 Outlook 2013

You need to update Outlook, although: that is what our datacenter told us.
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AgrippaSenior IT ConsultantAuthor Commented:
There was no actual solution.
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