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Bloated FPT files

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  • Bloated FPT files

    I just had a corrupted file in one of my tables that caused errors as they tried to do reports.

    I fixed the one fpt file (made a copy - renamed - etc.) that was over half a million KB. But as I was going through the other files I see another fpt file in another table that is almost at 2 million KB. I have not gotten any frustrated users coming to my office saying there is a problem using that table as yet.

    Do I go ahead and fix that one right away or wait for a problem?

    How big should an FPT file get before I should start to worry?

    Thanks in advance

  • #2
    RE: Bloated FPT files

    I to just had an FPT file grow to 1.3GB before it caused a problem with the DBF it is "assigned" to. While it was "corrupt", anytime the user entered anything into the memo field the error message "error locking" appeared and the record was not saved. When nothing was put into the memo field then the record was saved.

    What is causing this and is this something that is going to happen randomly or what?


    • #3
      RE: Bloated FPT files

      One maintenance issue many users miss it that deleted records are actually left in the files until the table is "packed". This includes information in the fpt files which are memo files. If the memo information is changed, the original information is still there, just not connected or linked to anything. Packing the table will remove this unused data.

      Search the forum for "memo" or "memo fields" and you will see many posts about bloated memo files. If you pack regularly, this is not much of an issue. If you don't, eventually the table may not be able to access the correct data in the file and ALL memo data can be lost for that table. Not a happy event.



      • #4
        RE: Bloated FPT files

        I just packed the tables on Sat - Monday morning there was the problem! So it happened after the table was just packed.


        • #5
          RE: Bloated FPT files

          There have also been issues with memo files becoming corrupted and growing rapidly in size, particularly (perhaps exclusively?) in an multi-user environment.

          Some users have recommended using character fields instead wherever possible. There are also ways to minimize or eliminate possible corruption. Visit


          for more information.