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My adobe Acrobat DC Pro installation using 55.9GB of disk space?

New Here ,
Mar 19, 2019 Mar 19, 2019

Hello all,

I came across this while checking my programs installed. I have been having issues opening some PDF files from a Cloud service (BOX.com), after double-clicking the file Adobe Acrobat would open (the program) but it will not show the file I just opened. Now checking the installation is it using up 55GB of HDD space. any ideas or solutions of this, it is very abnormal for a simple adobe installation. How do I clear up this amount of space without uninstalling.

Please let me know any reasons and solutions.

Thank You all,

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1 ACCEPTED SOLUTION
Mar 19, 2019 Mar 19, 2019

On behalf of Adobe …

I can confirm that the space usage reported by Microsoft for applications in its Program and Features control panel is quite inaccurate. In reality, a full installation of Acrobat Pro DC including all executables, work areas, fonts, etc. adds up to less than 3GB in total! (Microsoft is aware of the problem and it doesn't just affect Adobe applications!)

          - Dov

- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)

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Community Expert ,
Mar 19, 2019 Mar 19, 2019

How did you check the installation?

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New Here ,
Mar 19, 2019 Mar 19, 2019

In control Panel > programs and features

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Community Expert ,
Mar 19, 2019 Mar 19, 2019

This information is not correct.

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New Here ,
Mar 19, 2019 Mar 19, 2019

What do you mean? I can give you a screenshot of what I am referring to.

Thanks.

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Community Expert ,
Mar 19, 2019 Mar 19, 2019

Windows doesn't display the correct information there.

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Mar 19, 2019 Mar 19, 2019

On behalf of Adobe …

I can confirm that the space usage reported by Microsoft for applications in its Program and Features control panel is quite inaccurate. In reality, a full installation of Acrobat Pro DC including all executables, work areas, fonts, etc. adds up to less than 3GB in total! (Microsoft is aware of the problem and it doesn't just affect Adobe applications!)

          - Dov

- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)
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New Here ,
Mar 19, 2019 Mar 19, 2019

sc1.PNG

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Mar 19, 2019 Mar 19, 2019

See my response above. That number is more bogus than a three dollar bill. Not your fault, but nonetheless, it doesn't represent anywhere near the amount of disk space used by Acrobat.

By the way, why do you also have Reader installed? Acrobat is a superset of Reader. Reader is absolutely unnecessary (and could cause interference) if Acrobat is installed.

          - Dov

- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)
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New Here ,
Jul 29, 2023 Jul 29, 2023

I found the real answer. The auto-updater keeps a copy of all of the past version installers. Windows knows Acrobat created them so it treats them as part of the application's disk usage. 

I went into C:\ProgramData\Adobe\ARM\Acrobat_20.012.20048 (you might have a different path for that last bit) and found 20GB of useless old installers. Thought I'd post a real answer on here in case anybody else is looking for how they can free up disk space. Hopefully the Acrobat team add some code to their auto updater that deletes ancient installers because there is no reason to keep so many.

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New Here ,
Nov 06, 2023 Nov 06, 2023

Finally managed to clean 12GB out of the 28,8 that my adobe was using by deleting the old installers thanks to @TomH834  's post. Any idea  how to clean up the rest  still far fro the 3 GB that adobe was supposed to be using. @Dov Isaacs  sorry but your answers were completely misleading

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Community Beginner ,
Apr 04, 2024 Apr 04, 2024

Thank You TomH834. With Acrobat DC, I found 24 iterations of these files  in C:\ProgramData\Adobe\ARM\. AcrobatDCx64Manifest3.msi, AcroRdrDCx64Upd2300320215.msi & AcroRdrDCx64Upd2300320215.msp.  Some may have "incr" just before the file extension, with only the number changing.   
I wonder if I can simply delete those files?
It is interesting that there were so many deniers (including the former Adobe Principal Scientist) defending Adobe when it is obvious, they are the one generating the garbage in everyone’s PC.
Perhaps the real issue is the developers just arent listening!  I am sure that those with Pro versions are experiencing a lot more of the same issue. Looking at the iterations, it appears that there is a new one every 3-4 weeks, whenever adobe puts out an update.  So, in the final analysis, ADOBE. get your act together and fix this problem.   

And Mr. former Adobe Principal Scientist, since ADOBE is not listening to thier customer, perhaps rather than defend thier bad programming, if you still have contacts where you used to work, you can put a bug in thier ear, rather than them putting a bug in our computers. Thank you.

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New Here ,
Oct 12, 2024 Oct 12, 2024

You're absolutely right. I have the pro version and was appalled to find today that my Adobe Acrobat took 332GB of my C.

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New Here ,
Sep 06, 2025 Sep 06, 2025

Thanks @TomH834 for posting this information; much better advice than what i found elsewhere.  I do still have a query and need help. If you or anyone else could please help it would be much appreciated 🙂

 

I too have the same issue. Supposedly Adobe takes up 8.89GB of my C drive. I followed the advice to check for old installation files at C:\ProgramData\Adobe\ARM . Interestingly, I only have 5 folders ; 2 of which have any data. The first folder is called Acrobat_18.009.20050 with a size of 48.9MB (last modified in 2018). The second folder is called Acrobat_25.001.20630 with a size of 941MB (last modified today).  SO my question is: what other tipps do you have? Because even if I delete the first folder entirely because its old, that only delete ca. 50MB for me. And somehow I need to reduce this suposed 8.89GB space Adobe is taking up on my C drive, but dont see what other old instilation files i could delete? Could I delete the second "Acrobat_25.001.20630" folder (see screeshot Adobe1.png attached), or would that just cause problems if I do? plus even if i did it would supposedly only free up less than 1GB of space. 

 

Appreciate any and every constructive help I can get 🙂 

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Adobe Employee ,
Sep 07, 2025 Sep 07, 2025
LATEST

Hello @Moser_22531823aqa9

 

I hope you are doing well. Thanks for sharing the details and for checking the ARM folders; that’s a great first step.

 

Please note: 

About the ARM folders

  • The folders you found under C:\ProgramData\Adobe\ARM are part of Acrobat’s update mechanism.

  • The older folder from 2018 can safely be deleted, as you noted.

  • The newer folders, like: (Acrobat_25.001.20672), (Acrobat_25.001.20630), should not be deleted; they contain current patch/update files that Acrobat may need. Removing it could cause update errors or force a reinstall. If you have the latest folder 25.001.20672, then you can remove the previous folders.

 

The size you see in Windows isn’t always only from the ARM folders. Acrobat installs across several locations, for example:

    • C:\Program Files (x86)\Adobe\Acrobat

    • C:\Program Files\Common Files\Adobe

    • C:\Users\<username>\AppData\Local\Adobe and \AppData\Roaming\Adobe

  • Over time, cached installers, temp files, and logs can build up in these directories.

 

Check C:\Users\<username>\AppData\Local\Temp This often accumulates large amounts of Adobe temp data over time and is safe to clear.

You can use the Acrobat Cleaner tool to remove leftover files from previous installs. 

 

I hope this helps.

Thanks,

Anand Sri | Acrobat Community Team

 

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New Here ,
Nov 22, 2023 Nov 22, 2023

Thank you sir, i found out my free space on C drive is gettin` smaller; when i look on installed programs, Acrobat DC had 178gb and tried deletin` temp files, etc. This info you shared saved me 22gb of  drive space. Thank You Again!

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New Here ,
May 07, 2024 May 07, 2024

Mine shows 113GB in size. Holy Cow! 

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