Any solid recommendation for undelete software?
(Windows 10 pro, deleted by FreeFileSync on USB stick, i.e. large, ca 10 MB .odg files)
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This question is not related at all with LO. However, here is a partial answer. USB sticks are usually managed differently from disks, even if they are formatted with the same file system. When something is deleted on a USB stick, space is immediately reclaimed while on disk the file is simply flagged deleted until space is needed. So, unless the stick is unusually managed like a disk, all your files have vanished for good.
This question is not related at all with LO. However, here is a partial answer. USB sticks are usually managed differently from disks, even if they are formatted with the same file system. When something is deleted on a USB stick, space is immediately reclaimed while on disk the file is simply flagged deleted until space is needed. So, unless the stick is unusually managed like a disk, all your files have vanished for good.
This question is not related at all with LO.
how true … and in fact it is a duplicate of how to undelete .odg files