How do I merge multiple outlook pst files?












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My computer had some trouble and I gave it to someone to fix it which they did but in the process they completely messed up outlook.



They somehow managed to delete my entire record which I had running since 2007. I think then they panicked and started taking multiple backups (.pst's) which are now scattered all over my computer.



The existing outlook now has just a part of what it originally had - messages, notes and contacts. I think the rest of it are in the backup .pst files.



Some of these backup files are huge ~ 20-25GB and when I try to import then one by one it results in lot of duplicates.



How do I fix this?










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    0















    My computer had some trouble and I gave it to someone to fix it which they did but in the process they completely messed up outlook.



    They somehow managed to delete my entire record which I had running since 2007. I think then they panicked and started taking multiple backups (.pst's) which are now scattered all over my computer.



    The existing outlook now has just a part of what it originally had - messages, notes and contacts. I think the rest of it are in the backup .pst files.



    Some of these backup files are huge ~ 20-25GB and when I try to import then one by one it results in lot of duplicates.



    How do I fix this?










    share|improve this question



























      0












      0








      0








      My computer had some trouble and I gave it to someone to fix it which they did but in the process they completely messed up outlook.



      They somehow managed to delete my entire record which I had running since 2007. I think then they panicked and started taking multiple backups (.pst's) which are now scattered all over my computer.



      The existing outlook now has just a part of what it originally had - messages, notes and contacts. I think the rest of it are in the backup .pst files.



      Some of these backup files are huge ~ 20-25GB and when I try to import then one by one it results in lot of duplicates.



      How do I fix this?










      share|improve this question
















      My computer had some trouble and I gave it to someone to fix it which they did but in the process they completely messed up outlook.



      They somehow managed to delete my entire record which I had running since 2007. I think then they panicked and started taking multiple backups (.pst's) which are now scattered all over my computer.



      The existing outlook now has just a part of what it originally had - messages, notes and contacts. I think the rest of it are in the backup .pst files.



      Some of these backup files are huge ~ 20-25GB and when I try to import then one by one it results in lot of duplicates.



      How do I fix this?







      microsoft-outlook microsoft-outlook-2010 microsoft-outlook-2007






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      edited Jan 24 at 15:36









      Twisty Impersonator

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      18.6k146699










      asked Jan 24 at 6:49









      nshunznshunz

      11




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          Microsoft doesn't have an official tool to merge PST files. You have to import back one by one. When you import PST files to Outlook, you can select "Replace duplicates with items imported"



          enter image description here



          Reference:Import email, contacts, and calendar from an Outlook .pst file






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            Microsoft doesn't have an official tool to merge PST files. You have to import back one by one. When you import PST files to Outlook, you can select "Replace duplicates with items imported"



            enter image description here



            Reference:Import email, contacts, and calendar from an Outlook .pst file






            share|improve this answer




























              0














              Microsoft doesn't have an official tool to merge PST files. You have to import back one by one. When you import PST files to Outlook, you can select "Replace duplicates with items imported"



              enter image description here



              Reference:Import email, contacts, and calendar from an Outlook .pst file






              share|improve this answer


























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                0







                Microsoft doesn't have an official tool to merge PST files. You have to import back one by one. When you import PST files to Outlook, you can select "Replace duplicates with items imported"



                enter image description here



                Reference:Import email, contacts, and calendar from an Outlook .pst file






                share|improve this answer













                Microsoft doesn't have an official tool to merge PST files. You have to import back one by one. When you import PST files to Outlook, you can select "Replace duplicates with items imported"



                enter image description here



                Reference:Import email, contacts, and calendar from an Outlook .pst file







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                share|improve this answer










                answered Jan 25 at 3:13









                PerryPerry

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