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Old 08-27-2020, 10:52 AM
kinook kinook is online now
Join Date: 03-06-2001
Location: Colorado
Posts: 5,758
1) Mark the file with the read-only attribute, or use the /readonly command-line flag to open the file.

Also see

for ways to minimize file changes when not read-only.

2) You need to use backup/sync software that supports block-level delta copy (of only the modified parts of a file).
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